40909046416 has 40 divisors (see below), whose sum is σ = 94522771584. Its totient is φ = 16770167040.

The previous prime is 40909046383. The next prime is 40909046473. The reversal of 40909046416 is 61464090904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7937845 + ... + 7942996.

Almost surely, 2^40909046416 is an apocalyptic number.

40909046416 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40909046416 is an abundant number, since it is smaller than the sum of its proper divisors (53613725168).

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

40909046416 is a wasteful number, since it uses less digits than its factorization.

40909046416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15880879 (or 15880873 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 40909046416 in words is "forty billion, nine hundred nine million, forty-six thousand, four hundred sixteen".