40331506 has 16 divisors (see below), whose sum is σ = 62270208. Its totient is φ = 19580400.

The previous prime is 40331483. The next prime is 40331539. The reversal of 40331506 is 60513304.

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, 14271 + ... + 16861.

It is an arithmetic number, because the mean of its divisors is an integer number (3891888).

Almost surely, 2^40331506 is an apocalyptic number.

40331506 is a deficient number, since it is larger than the sum of its proper divisors (21938702).

40331506 is a wasteful number, since it uses less digits than its factorization.

40331506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 40331506 is about 6350.7090942666. The cubic root of 40331506 is about 342.9373700980.

The spelling of 40331506 in words is "forty million, three hundred thirty-one thousand, five hundred six".