40642496 has 14 divisors (see below), whose sum is σ = 80650080. Its totient is φ = 20321216.

The previous prime is 40642489. The next prime is 40642499. The reversal of 40642496 is 69424604.

It is a super-2 number, since 2×40642496² = 3303624962220032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40642499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317456 + ... + 317583.

It is an arithmetic number, because the mean of its divisors is an integer number (5760720).

Almost surely, 2^40642496 is an apocalyptic number.

It is an amenable number.

40642496 is a deficient number, since it is larger than the sum of its proper divisors (40007584).

40642496 is an equidigital number, since it uses as much as digits as its factorization.

40642496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635051 (or 635041 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 40642496 is about 6375.1467434091. The cubic root of 40642496 is about 343.8165598496.

The spelling of 40642496 in words is "forty million, six hundred forty-two thousand, four hundred ninety-six".