44815478949 has 24 divisors (see below), whose sum is σ = 65265408000. Its totient is φ = 29631637728.

The previous prime is 44815478927. The next prime is 44815478969. The reversal of 44815478949 is 94987451844.

44815478949 is a `hidden beast` number, since 4 + 4 + 8 + 1 + 547 + 89 + 4 + 9 = 666.

It is not a de Polignac number, because 44815478949 - 2⁷ = 44815478821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44815478969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4975552 + ... + 4984550.

It is an arithmetic number, because the mean of its divisors is an integer number (2719392000).

Almost surely, 2^44815478949 is an apocalyptic number.

It is an amenable number.

44815478949 is a deficient number, since it is larger than the sum of its proper divisors (20449929051).

44815478949 is a wasteful number, since it uses less digits than its factorization.

44815478949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13489 (or 13486 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 44815478949 in words is "forty-four billion, eight hundred fifteen million, four hundred seventy-eight thousand, nine hundred forty-nine".