40430445855232 has 80 divisors (see below), whose sum is σ = 85546223262720. Its totient is φ = 19023329640448.

The previous prime is 40430445855223. The next prime is 40430445855257. The reversal of 40430445855232 is 23255854403404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60237393 + ... + 60904879.

It is an arithmetic number, because the mean of its divisors is an integer number (1069327790784).

Almost surely, 2^{40430445855232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40430445855232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42773111631360).

40430445855232 is an abundant number, since it is smaller than the sum of its proper divisors (45115777407488).

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

40430445855232 is an equidigital number, since it uses as much as digits as its factorization.

40430445855232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674481 (or 674465 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 49.

The spelling of 40430445855232 in words is "forty trillion, four hundred thirty billion, four hundred forty-five million, eight hundred fifty-five thousand, two hundred thirty-two".