40311456 has 48 divisors (see below), whose sum is σ = 110424384. Its totient is φ = 12852224.

The previous prime is 40311443. The next prime is 40311461. The reversal of 40311456 is 65411304.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6921 + ... + 11336.

It is an arithmetic number, because the mean of its divisors is an integer number (2300508).

Almost surely, 2^40311456 is an apocalyptic number.

40311456 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40311456 is an abundant number, since it is smaller than the sum of its proper divisors (70112928).

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

40311456 is a wasteful number, since it uses less digits than its factorization.

40311456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18293 (or 18285 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 40311456 is about 6349.1303341481. The cubic root of 40311456 is about 342.8805325313.

The spelling of 40311456 in words is "forty million, three hundred eleven thousand, four hundred fifty-six".