40839792 has 40 divisors (see below), whose sum is σ = 120575616. Its totient is φ = 11668416.

The previous prime is 40839779. The next prime is 40839853. The reversal of 40839792 is 29793804.

40839792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40839792² = 3335777221206528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60438 + ... + 61109.

Almost surely, 2^40839792 is an apocalyptic number.

40839792 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40839792 is an abundant number, since it is smaller than the sum of its proper divisors (79735824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40839792 is a wasteful number, since it uses less digits than its factorization.

40839792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121565 (or 121559 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 40839792 is about 6390.6018495913. The cubic root of 40839792 is about 344.3720060719.

The spelling of 40839792 in words is "forty million, eight hundred thirty-nine thousand, seven hundred ninety-two".