40992080 has 40 divisors (see below), whose sum is σ = 98598600. Its totient is φ = 15830528.

The previous prime is 40992071. The next prime is 40992089. The reversal of 40992080 is 8029904.

40992080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40992071) and next prime (40992089).

It can be written as a sum of positive squares in 4 ways, for example, as 1201216 + 39790864 = 1096^2 + 6308^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40992089) by changing a digit.

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, 6515 + ... + 11154.

It is an arithmetic number, because the mean of its divisors is an integer number (2464965).

Almost surely, 2^40992080 is an apocalyptic number.

40992080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40992080 is an abundant number, since it is smaller than the sum of its proper divisors (57606520).

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

40992080 is a wasteful number, since it uses less digits than its factorization.

40992080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17711 (or 17705 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 40992080 is about 6402.5057594664. The cubic root of 40992080 is about 344.7995194535.

The spelling of 40992080 in words is "forty million, nine hundred ninety-two thousand, eighty".