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42355420000000 = 28572392077
BaseRepresentation
bin10011010000101101000111…
…10000110110111100000000
312112222010202001012120220021
421220112203300312330000
521022422400010000000
6230025451125223224
711631035535515242
oct1150264360667400
9175863661176807
1042355420000000
111254a918428448
124900920561b14
131a83139580a33
14a6602858c092
154d6b659b911a
hex2685a3c36f00

42355420000000 has 288 divisors, whose sum is σ = 110277509876352. Its totient is φ = 16205376000000.

The previous prime is 42355419999983. The next prime is 42355420000037. The reversal of 42355420000000 is 2455324.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 42355420000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459953962 + ... + 460046038.

It is an arithmetic number, because the mean of its divisors is an integer number (382908020404).

Almost surely, 242355420000000 is an apocalyptic number.

42355420000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42355420000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55138754938176).

42355420000000 is an abundant number, since it is smaller than the sum of its proper divisors (67922089876352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42355420000000 is an frugal number, since it uses more digits than its factorization.

42355420000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92151 (or 92107 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 42355420000000 its reverse (2455324), we get a palindrome (42355422455324).

The spelling of 42355420000000 in words is "forty-two trillion, three hundred fifty-five billion, four hundred twenty million", and thus it is an aban number.