44347640 has 16 divisors (see below), whose sum is σ = 99782280. Its totient is φ = 17739040.

The previous prime is 44347621. The next prime is 44347651. The reversal of 44347640 is 4674344.

It is a junction number, because it is equal to n+sod(n) for n = 44347597 and 44347606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554306 + ... + 554385.

Almost surely, 2^44347640 is an apocalyptic number.

44347640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44347640 is an abundant number, since it is smaller than the sum of its proper divisors (55434640).

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

44347640 is a wasteful number, since it uses less digits than its factorization.

44347640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108702 (or 1108698 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 44347640 is about 6659.4023755890. The cubic root of 44347640 is about 353.9621609358.

The spelling of 44347640 in words is "forty-four million, three hundred forty-seven thousand, six hundred forty".