40454885956 has 81 divisors (see below), whose sum is σ = 76822393599. Its totient is φ = 18637880976.

The previous prime is 40454885953. The next prime is 40454885959. The reversal of 40454885956 is 65958845404.

It is a happy number.

The square root of 40454885956 is 201134.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (40454885953) and next prime (40454885959).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40454885956.

It is not an unprimeable number, because it can be changed into a prime (40454885953) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 512087125 + ... + 512087203.

Almost surely, 2^40454885956 is an apocalyptic number.

40454885956 is the 201134-th square number.

It is an amenable number.

40454885956 is a deficient number, since it is larger than the sum of its proper divisors (36367507643).

40454885956 is an equidigital number, since it uses as much as digits as its factorization.

40454885956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 58.

The spelling of 40454885956 in words is "forty billion, four hundred fifty-four million, eight hundred eighty-five thousand, nine hundred fifty-six".