40008954459418 has 96 divisors (see below), whose sum is σ = 70731747450000. Its totient is φ = 16922511599616.

The previous prime is 40008954459413. The next prime is 40008954459433. The reversal of 40008954459418 is 81495445980004.

It can be written as a sum of positive squares in 8 ways, for example, as 12803894532009 + 27205059927409 = 3578253^2 + 5215847^2 .

It is not an unprimeable number, because it can be changed into a prime (40008954459413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1441802208 + ... + 1441829956.

Almost surely, 2^{40008954459418} is an apocalyptic number.

40008954459418 is a deficient number, since it is larger than the sum of its proper divisors (30722792990582).

40008954459418 is a wasteful number, since it uses less digits than its factorization.

40008954459418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28544 (or 28537 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 61.

The spelling of 40008954459418 in words is "forty trillion, eight billion, nine hundred fifty-four million, four hundred fifty-nine thousand, four hundred eighteen".