40097465947 has 16 divisors (see below), whose sum is σ = 50737796352. Its totient is φ = 30778434720.

The previous prime is 40097465897. The next prime is 40097465957. The reversal of 40097465947 is 74956479004.

It is not a de Polignac number, because 40097465947 - 2⁷ = 40097465819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40097465957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3881008 + ... + 3891325.

It is an arithmetic number, because the mean of its divisors is an integer number (3171112272).

Almost surely, 2^40097465947 is an apocalyptic number.

40097465947 is a deficient number, since it is larger than the sum of its proper divisors (10640330405).

40097465947 is a wasteful number, since it uses less digits than its factorization.

40097465947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7772418.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 40097465947 in words is "forty billion, ninety-seven million, four hundred sixty-five thousand, nine hundred forty-seven".