40956991332 has 12 divisors (see below), whose sum is σ = 95566313136. Its totient is φ = 13652330440.

The previous prime is 40956991301. The next prime is 40956991349. The reversal of 40956991332 is 23319965904.

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, 1706541294 + ... + 1706541317.

It is an arithmetic number, because the mean of its divisors is an integer number (7963859428).

Almost surely, 2^40956991332 is an apocalyptic number.

It is an amenable number.

40956991332 is an abundant number, since it is smaller than the sum of its proper divisors (54609321804).

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

40956991332 is a wasteful number, since it uses less digits than its factorization.

40956991332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413082618 (or 3413082616 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 51.

The spelling of 40956991332 in words is "forty billion, nine hundred fifty-six million, nine hundred ninety-one thousand, three hundred thirty-two".