44367640 has 32 divisors (see below), whose sum is σ = 100180080. Its totient is φ = 17684352.

The previous prime is 44367629. The next prime is 44367649. The reversal of 44367640 is 4676344.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 44367596 and 44367605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44367649) 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, 10474 + ... + 14086.

Almost surely, 2^44367640 is an apocalyptic number.

44367640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44367640 is an abundant number, since it is smaller than the sum of its proper divisors (55812440).

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

44367640 is a wasteful number, since it uses less digits than its factorization.

44367640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 44367640 is about 6660.9038425727. The cubic root of 44367640 is about 354.0153631602.

The spelling of 44367640 in words is "forty-four million, three hundred sixty-seven thousand, six hundred forty".