40496621 has 4 divisors (see below), whose sum is σ = 44178144. Its totient is φ = 36815100.

The previous prime is 40496587. The next prime is 40496623. The reversal of 40496621 is 12669404.

It is a happy number.

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 40496621 - 2¹⁰ = 40495597 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 (40496623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840745 + ... + 1840766.

It is an arithmetic number, because the mean of its divisors is an integer number (11044536).

Almost surely, 2^40496621 is an apocalyptic number.

It is an amenable number.

40496621 is a deficient number, since it is larger than the sum of its proper divisors (3681523).

40496621 is a wasteful number, since it uses less digits than its factorization.

40496621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681522.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 40496621 is about 6363.6955458287. The cubic root of 40496621 is about 343.4047219092.

The spelling of 40496621 in words is "forty million, four hundred ninety-six thousand, six hundred twenty-one".