40320446952 has 16 divisors (see below), whose sum is σ = 100801117440. Its totient is φ = 13440148976.

The previous prime is 40320446941. The next prime is 40320446977. The reversal of 40320446952 is 25964402304.

It is a self number, because there is not a number n which added to its sum of digits gives 40320446952.

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, 840009288 + ... + 840009335.

It is an arithmetic number, because the mean of its divisors is an integer number (6300069840).

Almost surely, 2^40320446952 is an apocalyptic number.

It is an amenable number.

40320446952 is an abundant number, since it is smaller than the sum of its proper divisors (60480670488).

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

40320446952 is a wasteful number, since it uses less digits than its factorization.

40320446952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680018632 (or 1680018628 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 40320446952 in words is "forty billion, three hundred twenty million, four hundred forty-six thousand, nine hundred fifty-two".