42553435540000 has 720 divisors, whose sum is σ = 135941639825376. Its totient is φ = 12954816000000.

The previous prime is 42553435539983. The next prime is 42553435540111. The reversal of 42553435540000 is 4553435524.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 463494100 + ... + 463585900.

Almost surely, 2^{42553435540000} is an apocalyptic number.

42553435540000 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 42553435540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67970819912688).

42553435540000 is an abundant number, since it is smaller than the sum of its proper divisors (93388204285376).

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

42553435540000 is a wasteful number, since it uses less digits than its factorization.

42553435540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91899 (or 91869 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 42553435540000 its reverse (4553435524), we get a palindrome (42557988975524).

The spelling of 42553435540000 in words is "forty-two trillion, five hundred fifty-three billion, four hundred thirty-five million, five hundred forty thousand".