40054643452 has 12 divisors (see below), whose sum is σ = 70098379456. Its totient is φ = 20026535040.

The previous prime is 40054643441. The next prime is 40054643501. The reversal of 40054643452 is 25434645004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73548 + ... + 292435.

Almost surely, 2^40054643452 is an apocalyptic number.

It is an amenable number.

40054643452 is a deficient number, since it is larger than the sum of its proper divisors (30043736004).

40054643452 is a wasteful number, since it uses less digits than its factorization.

40054643452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393348 (or 393346 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 40054643452 in words is "forty billion, fifty-four million, six hundred forty-three thousand, four hundred fifty-two".