40794408672 has 48 divisors (see below), whose sum is σ = 109105814160. Its totient is φ = 13341565952.

The previous prime is 40794408671. The next prime is 40794408673. The reversal of 40794408672 is 27680449704.

It is a happy number.

40794408672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40794408671) and next prime (40794408673).

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40794408671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4003797 + ... + 4013972.

It is an arithmetic number, because the mean of its divisors is an integer number (2273037795).

Almost surely, 2^40794408672 is an apocalyptic number.

It is an amenable number.

40794408672 is an abundant number, since it is smaller than the sum of its proper divisors (68311405488).

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

40794408672 is a wasteful number, since it uses less digits than its factorization.

40794408672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8017835 (or 8017827 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 40794408672 in words is "forty billion, seven hundred ninety-four million, four hundred eight thousand, six hundred seventy-two".