44878573551 has 128 divisors (see below), whose sum is σ = 76072550400. Its totient is φ = 22983367680.

The previous prime is 44878573543. The next prime is 44878573633. The reversal of 44878573551 is 15537587844.

It is not a de Polignac number, because 44878573551 - 2³ = 44878573543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44878573491 and 44878573500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44878573501) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 47895555 + ... + 47896491.

It is an arithmetic number, because the mean of its divisors is an integer number (594316800).

Almost surely, 2^44878573551 is an apocalyptic number.

44878573551 is a deficient number, since it is larger than the sum of its proper divisors (31193976849).

44878573551 is a wasteful number, since it uses less digits than its factorization.

44878573551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its digits is 18816000, while the sum is 57.

The spelling of 44878573551 in words is "forty-four billion, eight hundred seventy-eight million, five hundred seventy-three thousand, five hundred fifty-one".