40402264 has 24 divisors (see below), whose sum is σ = 88123140. Its totient is φ = 17315088.

The previous prime is 40402253. The next prime is 40402291. The reversal of 40402264 is 46220404.

40402264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51142 + ... + 51925.

Almost surely, 2^40402264 is an apocalyptic number.

It is an amenable number.

40402264 is an abundant number, since it is smaller than the sum of its proper divisors (47720876).

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

40402264 is a wasteful number, since it uses less digits than its factorization.

40402264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103087 (or 103076 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 40402264 is about 6356.2775269807. The cubic root of 40402264 is about 343.1378038538.

Adding to 40402264 its reverse (46220404), we get a palindrome (86622668).

The spelling of 40402264 in words is "forty million, four hundred two thousand, two hundred sixty-four".