40294072404 has 168 divisors, whose sum is σ = 107926842240. Its totient is φ = 13153492800.

The previous prime is 40294072391. The next prime is 40294072487. The reversal of 40294072404 is 40427049204.

40294072404 is a `hidden beast` number, since 4 + 0 + 2 + 9 + 407 + 240 + 4 = 666.

It is a super-2 number, since 2×40294072404² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 63857169 + ... + 63857799.

It is an arithmetic number, because the mean of its divisors is an integer number (642421680).

Almost surely, 2^40294072404 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 40294072404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53963421120).

40294072404 is an abundant number, since it is smaller than the sum of its proper divisors (67632769836).

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

40294072404 is a wasteful number, since it uses less digits than its factorization.

40294072404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 40294072404 in words is "forty billion, two hundred ninety-four million, seventy-two thousand, four hundred four".