44086440 has 64 divisors (see below), whose sum is σ = 140045760. Its totient is φ = 11064320.

The previous prime is 44086421. The next prime is 44086451. The reversal of 44086440 is 4468044.

It is a super-2 number, since 2×44086440² = 3887228383747200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 44086398 and 44086407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8766 + ... + 12845.

It is an arithmetic number, because the mean of its divisors is an integer number (2188215).

Almost surely, 2^44086440 is an apocalyptic number.

44086440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44086440 is an abundant number, since it is smaller than the sum of its proper divisors (95959320).

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

44086440 is a wasteful number, since it uses less digits than its factorization.

44086440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21642 (or 21638 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 44086440 is about 6639.7620439290. The cubic root of 44086440 is about 353.2658666328.

The spelling of 44086440 in words is "forty-four million, eighty-six thousand, four hundred forty".