44765840 has 40 divisors (see below), whose sum is σ = 118950720. Its totient is φ = 15348096.

The previous prime is 44765813. The next prime is 44765873. The reversal of 44765840 is 4856744.

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

It is a super-4 number, since 4×44765840⁴ (a number of 32 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44765794 and 44765803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39410 + ... + 40529.

It is an arithmetic number, because the mean of its divisors is an integer number (2973768).

Almost surely, 2^44765840 is an apocalyptic number.

44765840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44765840 is an abundant number, since it is smaller than the sum of its proper divisors (74184880).

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

44765840 is a wasteful number, since it uses less digits than its factorization.

44765840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79959 (or 79953 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 44765840 is about 6690.7279125668. The cubic root of 44765840 is about 355.0713075035.

The spelling of 44765840 in words is "forty-four million, seven hundred sixty-five thousand, eight hundred forty".