40300256 has 24 divisors (see below), whose sum is σ = 82078920. Its totient is φ = 19454848.

The previous prime is 40300241. The next prime is 40300297. The reversal of 40300256 is 65200304.

It is a super-2 number, since 2×40300256² = 3248221267331072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20786 + ... + 22641.

It is an arithmetic number, because the mean of its divisors is an integer number (3419955).

Almost surely, 2^40300256 is an apocalyptic number.

It is an amenable number.

40300256 is an abundant number, since it is smaller than the sum of its proper divisors (41778664).

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

40300256 is a wasteful number, since it uses less digits than its factorization.

40300256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43466 (or 43458 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40300256 is about 6348.2482623161. The cubic root of 40300256 is about 342.8487746635.

The spelling of 40300256 in words is "forty million, three hundred thousand, two hundred fifty-six".