40792690 has 16 divisors (see below), whose sum is σ = 77746392. Its totient is φ = 15357184.

The previous prime is 40792667. The next prime is 40792691. The reversal of 40792690 is 9629704.

It can be written as a sum of positive squares in 4 ways, for example, as 38551681 + 2241009 = 6209^2 + 1497^2 .

It is a super-2 number, since 2×40792690² = 3328087114872200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40792691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119809 + ... + 120148.

Almost surely, 2^40792690 is an apocalyptic number.

40792690 is a deficient number, since it is larger than the sum of its proper divisors (36953702).

40792690 is a wasteful number, since it uses less digits than its factorization.

40792690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239981.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 40792690 is about 6386.9155309899. The cubic root of 40792690 is about 344.2395629376.

The spelling of 40792690 in words is "forty million, seven hundred ninety-two thousand, six hundred ninety".