40407606928 has 80 divisors (see below), whose sum is σ = 84864568320. Its totient is φ = 18527841792.

The previous prime is 40407606923. The next prime is 40407606961. The reversal of 40407606928 is 82960670404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40407606923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41105925 + ... + 41106907.

It is an arithmetic number, because the mean of its divisors is an integer number (1060807104).

Almost surely, 2^40407606928 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 40407606928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42432284160).

40407606928 is an abundant number, since it is smaller than the sum of its proper divisors (44456961392).

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

40407606928 is a wasteful number, since it uses less digits than its factorization.

40407606928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 40407606928 in words is "forty billion, four hundred seven million, six hundred six thousand, nine hundred twenty-eight".