44690525137439 has 8 divisors (see below), whose sum is σ = 45256400136960. Its totient is φ = 44124654441816.

The previous prime is 44690525137381. The next prime is 44690525137477. The reversal of 44690525137439 is 93473152509644.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44690525137439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44690525137499) 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, 23295824 + ... + 25141130.

It is an arithmetic number, because the mean of its divisors is an integer number (5657050017120).

Almost surely, 2^{44690525137439} is an apocalyptic number.

44690525137439 is a deficient number, since it is larger than the sum of its proper divisors (565874999521).

44690525137439 is a wasteful number, since it uses less digits than its factorization.

44690525137439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151949.

The product of its (nonzero) digits is 97977600, while the sum is 62.

The spelling of 44690525137439 in words is "forty-four trillion, six hundred ninety billion, five hundred twenty-five million, one hundred thirty-seven thousand, four hundred thirty-nine".