44690642 has 4 divisors (see below), whose sum is σ = 67035966. Its totient is φ = 22345320.

The previous prime is 44690621. The next prime is 44690647. The reversal of 44690642 is 24609644.

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

It can be written as a sum of positive squares in only one way, i.e., 36228361 + 8462281 = 6019^2 + 2909^2 .

It is not an unprimeable number, because it can be changed into a prime (44690647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11172659 + ... + 11172662.

Almost surely, 2^44690642 is an apocalyptic number.

44690642 is a deficient number, since it is larger than the sum of its proper divisors (22345324).

44690642 is a wasteful number, since it uses less digits than its factorization.

44690642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22345323.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 44690642 is about 6685.1059827051. The cubic root of 44690642 is about 354.8723789097.

The spelling of 44690642 in words is "forty-four million, six hundred ninety thousand, six hundred forty-two".