40356020456 has 16 divisors (see below), whose sum is σ = 76447617540. Its totient is φ = 19969989120.

The previous prime is 40356020437. The next prime is 40356020461. The reversal of 40356020456 is 65402065304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36800283556 + 3555736900 = 191834^2 + 59630^2 .

It is a super-4 number, since 4×40356020456⁴ (a number of 44 digits) contains 4444 as substring.

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 3 ways as a sum of consecutive naturals, for example, 26001815 + ... + 26003366.

Almost surely, 2^40356020456 is an apocalyptic number.

It is an amenable number.

40356020456 is a deficient number, since it is larger than the sum of its proper divisors (36091597084).

40356020456 is a wasteful number, since it uses less digits than its factorization.

40356020456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52005284 (or 52005280 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 40356020456 in words is "forty billion, three hundred fifty-six million, twenty thousand, four hundred fifty-six".