40136726 has 32 divisors (see below), whose sum is σ = 70502400. Its totient is φ = 16783200.

The previous prime is 40136713. The next prime is 40136773. The reversal of 40136726 is 62763104.

It is a super-2 number, since 2×40136726² = 3221913547998152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147971 + ... + 148241.

It is an arithmetic number, because the mean of its divisors is an integer number (2203200).

Almost surely, 2^40136726 is an apocalyptic number.

40136726 is a deficient number, since it is larger than the sum of its proper divisors (30365674).

40136726 is a wasteful number, since it uses less digits than its factorization.

40136726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 40136726 is about 6335.3552386587. The cubic root of 40136726 is about 342.3844098191.

The spelling of 40136726 in words is "forty million, one hundred thirty-six thousand, seven hundred twenty-six".