40468791 has 32 divisors (see below), whose sum is σ = 60611328. Its totient is φ = 23811840.

The previous prime is 40468783. The next prime is 40468801. The reversal of 40468791 is 19786404.

It is a happy number.

It is not a de Polignac number, because 40468791 - 2³ = 40468783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40468741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257685 + ... + 257841.

It is an arithmetic number, because the mean of its divisors is an integer number (1894104).

Almost surely, 2^40468791 is an apocalyptic number.

40468791 is a deficient number, since it is larger than the sum of its proper divisors (20142537).

40468791 is a wasteful number, since it uses less digits than its factorization.

40468791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 40468791 is about 6361.5085475066. The cubic root of 40468791 is about 343.3260392665.

The spelling of 40468791 in words is "forty million, four hundred sixty-eight thousand, seven hundred ninety-one".