44748309879 has 24 divisors (see below), whose sum is σ = 79552552352. Its totient is φ = 23603503680.

The previous prime is 44748309871. The next prime is 44748309883. The reversal of 44748309879 is 97890384744.

44748309879 is a `hidden beast` number, since 4 + 474 + 8 + 3 + 0 + 98 + 79 = 666.

It is not a de Polignac number, because 44748309879 - 2³ = 44748309871 is a prime.

It is a super-2 number, since 2×44748309879² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44748309871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27318052 + ... + 27319689.

Almost surely, 2^44748309879 is an apocalyptic number.

44748309879 is a deficient number, since it is larger than the sum of its proper divisors (34804242473).

44748309879 is a wasteful number, since it uses less digits than its factorization.

44748309879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54637767 (or 54637764 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 44748309879 in words is "forty-four billion, seven hundred forty-eight million, three hundred nine thousand, eight hundred seventy-nine".