40849235916 has 12 divisors (see below), whose sum is σ = 95314883832. Its totient is φ = 13616411968.

The previous prime is 40849235899. The next prime is 40849235941. The reversal of 40849235916 is 61953294804.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702051485 + ... + 1702051508.

It is an arithmetic number, because the mean of its divisors is an integer number (7942906986).

Almost surely, 2^40849235916 is an apocalyptic number.

It is an amenable number.

40849235916 is an abundant number, since it is smaller than the sum of its proper divisors (54465647916).

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

40849235916 is a wasteful number, since it uses less digits than its factorization.

40849235916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404103000 (or 3404102998 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 40849235916 in words is "forty billion, eight hundred forty-nine million, two hundred thirty-five thousand, nine hundred sixteen".