44140080 has 40 divisors (see below), whose sum is σ = 136834992. Its totient is φ = 11770624.

The previous prime is 44140073. The next prime is 44140081. The reversal of 44140080 is 8004144.

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

It is not an unprimeable number, because it can be changed into a prime (44140081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91719 + ... + 92198.

Almost surely, 2^44140080 is an apocalyptic number.

44140080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44140080 is an abundant number, since it is smaller than the sum of its proper divisors (92694912).

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

44140080 is a wasteful number, since it uses less digits than its factorization.

44140080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183933 (or 183927 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 44140080 is about 6643.8001174027. The cubic root of 44140080 is about 353.4090815012.

The spelling of 44140080 in words is "forty-four million, one hundred forty thousand, eighty".