44377640 has 32 divisors (see below), whose sum is σ = 100154880. Its totient is φ = 17696832.

The previous prime is 44377639. The next prime is 44377661. The reversal of 44377640 is 4677344.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 44377640.

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, 13169 + ... + 16191.

It is an arithmetic number, because the mean of its divisors is an integer number (3129840).

Almost surely, 2^44377640 is an apocalyptic number.

44377640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44377640 is an abundant number, since it is smaller than the sum of its proper divisors (55777240).

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

44377640 is a wasteful number, since it uses less digits than its factorization.

44377640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 44377640 is about 6661.6544491590. The cubic root of 44377640 is about 354.0419582769.

The spelling of 44377640 in words is "forty-four million, three hundred seventy-seven thousand, six hundred forty".