44497540659 has 32 divisors (see below), whose sum is σ = 69720908544. Its totient is φ = 24887134080.

The previous prime is 44497540651. The next prime is 44497540693. The reversal of 44497540659 is 95604579444.

It is not a de Polignac number, because 44497540659 - 2³ = 44497540651 is a prime.

It is a super-2 number, since 2×44497540659² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44497540599 and 44497540608.

It is not an unprimeable number, because it can be changed into a prime (44497540651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1926312 + ... + 1949274.

It is an arithmetic number, because the mean of its divisors is an integer number (2178778392).

Almost surely, 2^44497540659 is an apocalyptic number.

44497540659 is a deficient number, since it is larger than the sum of its proper divisors (25223367885).

44497540659 is a wasteful number, since it uses less digits than its factorization.

44497540659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27507.

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 44497540659 in words is "forty-four billion, four hundred ninety-seven million, five hundred forty thousand, six hundred fifty-nine".