44640699 has 4 divisors (see below), whose sum is σ = 59520936. Its totient is φ = 29760464.

The previous prime is 44640697. The next prime is 44640727. The reversal of 44640699 is 99604644.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44640699 - 2¹ = 44640697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44640699.

It is not an unprimeable number, because it can be changed into a prime (44640697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7440114 + ... + 7440119.

It is an arithmetic number, because the mean of its divisors is an integer number (14880234).

Almost surely, 2^44640699 is an apocalyptic number.

44640699 is a deficient number, since it is larger than the sum of its proper divisors (14880237).

44640699 is a wasteful number, since it uses less digits than its factorization.

44640699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14880236.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 44640699 is about 6681.3695452355. The cubic root of 44640699 is about 354.7401364785.

The spelling of 44640699 in words is "forty-four million, six hundred forty thousand, six hundred ninety-nine".