44670440 has 64 divisors (see below), whose sum is σ = 105310800. Its totient is φ = 17031168.

The previous prime is 44670427. The next prime is 44670497. The reversal of 44670440 is 4407644.

44670440 = T₂₄₃₃ + T₂₄₃₄ + ... + T₂₄₄₇.

It can be written as a sum of positive squares in 8 ways, for example, as 22448644 + 22221796 = 4738^2 + 4714^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 112322 + ... + 112718.

Almost surely, 2^44670440 is an apocalyptic number.

44670440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44670440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52655400).

44670440 is an abundant number, since it is smaller than the sum of its proper divisors (60640360).

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

44670440 is a wasteful number, since it uses less digits than its factorization.

44670440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 44670440 is about 6683.5948411016. The cubic root of 44670440 is about 354.8188985687.

The spelling of 44670440 in words is "forty-four million, six hundred seventy thousand, four hundred forty".