40404042405232 has 160 divisors (see below), whose sum is σ = 86887917817344. Its totient is φ = 18047182003200.

The previous prime is 40404042405227. The next prime is 40404042405281. The reversal of 40404042405232 is 23250424040404.

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, 5208716298 + ... + 5208724054.

Almost surely, 2^{40404042405232} 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 40404042405232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43443958908672).

40404042405232 is an abundant number, since it is smaller than the sum of its proper divisors (46483875412112).

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

40404042405232 is a wasteful number, since it uses less digits than its factorization.

40404042405232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167 (or 9161 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 34.

Adding to 40404042405232 its reverse (23250424040404), we get a palindrome (63654466445636).

The spelling of 40404042405232 in words is "forty trillion, four hundred four billion, forty-two million, four hundred five thousand, two hundred thirty-two".