40790069138 has 128 divisors (see below), whose sum is σ = 78618968064. Its totient is φ = 15446246400.

The previous prime is 40790069123. The next prime is 40790069143. The reversal of 40790069138 is 83196009704.

It is a junction number, because it is equal to n+sod(n) for n = 40790069092 and 40790069101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106501295 + ... + 106501677.

It is an arithmetic number, because the mean of its divisors is an integer number (614210688).

Almost surely, 2^40790069138 is an apocalyptic number.

40790069138 is a deficient number, since it is larger than the sum of its proper divisors (37828898926).

40790069138 is a wasteful number, since it uses less digits than its factorization.

40790069138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 40790069138 in words is "forty billion, seven hundred ninety million, sixty-nine thousand, one hundred thirty-eight".