40454005245444 has 120 divisors (see below), whose sum is σ = 121035002856768. Its totient is φ = 11541798475200.

The previous prime is 40454005245427. The next prime is 40454005245481. The reversal of 40454005245444 is 44454250045404.

40454005245444 is a `hidden beast` number, since 4 + 0 + 4 + 54 + 0 + 0 + 52 + 4 + 544 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 40454005245444.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11132574 + ... + 14312309.

Almost surely, 2^{40454005245444} is an apocalyptic number.

It is an amenable number.

40454005245444 is an abundant number, since it is smaller than the sum of its proper divisors (80580997611324).

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

40454005245444 is a wasteful number, since it uses less digits than its factorization.

40454005245444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25445607 (or 25445596 counting only the distinct ones).

The product of its (nonzero) digits is 4096000, while the sum is 45.

The spelling of 40454005245444 in words is "forty trillion, four hundred fifty-four billion, five million, two hundred forty-five thousand, four hundred forty-four".