40092012538 has 8 divisors (see below), whose sum is σ = 60443288532. Its totient is φ = 19944249696.

The previous prime is 40092012529. The next prime is 40092012581. The reversal of 40092012538 is 83521029004.

It can be written as a sum of positive squares in 2 ways, for example, as 34565130889 + 5526881649 = 185917^2 + 74343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 50877795 + ... + 50878582.

Almost surely, 2^40092012538 is an apocalyptic number.

40092012538 is a deficient number, since it is larger than the sum of its proper divisors (20351275994).

40092012538 is a wasteful number, since it uses less digits than its factorization.

40092012538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101756576.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 40092012538 in words is "forty billion, ninety-two million, twelve thousand, five hundred thirty-eight".