42154300520 has 16 divisors (see below), whose sum is σ = 94847176260. Its totient is φ = 16861720192.

The previous prime is 42154300519. The next prime is 42154300523. The reversal of 42154300520 is 2500345124.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40255607044 + 1898693476 = 200638^2 + 43574^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42154300520.

It is not an unprimeable number, because it can be changed into a prime (42154300523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526928717 + ... + 526928796.

Almost surely, 2^42154300520 is an apocalyptic number.

42154300520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42154300520 is an abundant number, since it is smaller than the sum of its proper divisors (52692875740).

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

42154300520 is a wasteful number, since it uses less digits than its factorization.

42154300520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053857524 (or 1053857520 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 42154300520 its reverse (2500345124), we get a palindrome (44654645644).

The spelling of 42154300520 in words is "forty-two billion, one hundred fifty-four million, three hundred thousand, five hundred twenty".