40269456 has 30 divisors (see below), whose sum is σ = 112698950. Its totient is φ = 13423104.

The previous prime is 40269377. The next prime is 40269473. The reversal of 40269456 is 65496204.

It can be written as a sum of positive squares in only one way, i.e., 26873856 + 13395600 = 5184^2 + 3660^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40269456.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139681 + ... + 139968.

Almost surely, 2^40269456 is an apocalyptic number.

It is an amenable number.

40269456 is an abundant number, since it is smaller than the sum of its proper divisors (72429494).

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

40269456 is a wasteful number, since it uses less digits than its factorization.

40269456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279663 (or 279654 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 40269456 is about 6345.8219325789. The cubic root of 40269456 is about 342.7614101767.

The spelling of 40269456 in words is "forty million, two hundred sixty-nine thousand, four hundred fifty-six".