40963839 has 16 divisors (see below), whose sum is σ = 62569728. Its totient is φ = 23352192.

The previous prime is 40963823. The next prime is 40963841. The reversal of 40963839 is 93836904.

It is not a de Polignac number, because 40963839 - 2⁴ = 40963823 is a prime.

It is a super-2 number, since 2×40963839² = 3356072211235842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40963839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40963849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7719 + ... + 11895.

It is an arithmetic number, because the mean of its divisors is an integer number (3910608).

Almost surely, 2^40963839 is an apocalyptic number.

40963839 is a deficient number, since it is larger than the sum of its proper divisors (21605889).

40963839 is a wasteful number, since it uses less digits than its factorization.

40963839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 40963839 is about 6400.2999148477. The cubic root of 40963839 is about 344.7203194369.

The spelling of 40963839 in words is "forty million, nine hundred sixty-three thousand, eight hundred thirty-nine".