40600621 has 4 divisors (see below), whose sum is σ = 41464512. Its totient is φ = 39736732.

The previous prime is 40600613. The next prime is 40600627. The reversal of 40600621 is 12600604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40600621 - 2³ = 40600613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40600627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431875 + ... + 431968.

It is an arithmetic number, because the mean of its divisors is an integer number (10366128).

Almost surely, 2^40600621 is an apocalyptic number.

It is an amenable number.

40600621 is a deficient number, since it is larger than the sum of its proper divisors (863891).

40600621 is an equidigital number, since it uses as much as digits as its factorization.

40600621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863890.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40600621 is about 6371.8616588875. The cubic root of 40600621 is about 343.6984382828.

The spelling of 40600621 in words is "forty million, six hundred thousand, six hundred twenty-one".