40089626 has 4 divisors (see below), whose sum is σ = 60134442. Its totient is φ = 20044812.

The previous prime is 40089619. The next prime is 40089641. The reversal of 40089626 is 62698004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33582025 + 6507601 = 5795^2 + 2551^2 .

It is a super-2 number, since 2×40089626² = 3214356225639752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022405 + ... + 10022408.

Almost surely, 2^40089626 is an apocalyptic number.

40089626 is a deficient number, since it is larger than the sum of its proper divisors (20044816).

40089626 is a wasteful number, since it uses less digits than its factorization.

40089626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20044815.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 40089626 is about 6331.6369131529. The cubic root of 40089626 is about 342.2504293027.

The spelling of 40089626 in words is "forty million, eighty-nine thousand, six hundred twenty-six".