40451213234216 has 32 divisors (see below), whose sum is σ = 75870319208040. Its totient is φ = 20219129069568.

The previous prime is 40451213234197. The next prime is 40451213234227. The reversal of 40451213234216 is 61243231215404.

It can be written as a sum of positive squares in 4 ways, for example, as 39349951886116 + 1101261348100 = 6272954^2 + 1049410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40451213234216.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386386070 + ... + 386490746.

Almost surely, 2^{40451213234216} is an apocalyptic number.

It is an amenable number.

40451213234216 is a deficient number, since it is larger than the sum of its proper divisors (35419105973824).

40451213234216 is a wasteful number, since it uses less digits than its factorization.

40451213234216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119693 (or 119689 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 40451213234216 in words is "forty trillion, four hundred fifty-one billion, two hundred thirteen million, two hundred thirty-four thousand, two hundred sixteen".