44648367621 has 16 divisors (see below), whose sum is σ = 69938702400. Its totient is φ = 24978107520.

The previous prime is 44648367601. The next prime is 44648367689. The reversal of 44648367621 is 12676384644.

It is not a de Polignac number, because 44648367621 - 2¹⁵ = 44648334853 is a prime.

It is a super-2 number, since 2×44648367621² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44648367601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52037296 + ... + 52038153.

It is an arithmetic number, because the mean of its divisors is an integer number (4371168900).

Almost surely, 2^44648367621 is an apocalyptic number.

It is an amenable number.

44648367621 is a deficient number, since it is larger than the sum of its proper divisors (25290334779).

44648367621 is a wasteful number, since it uses less digits than its factorization.

44648367621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104075476.

The product of its digits is 4644864, while the sum is 51.

The spelling of 44648367621 in words is "forty-four billion, six hundred forty-eight million, three hundred sixty-seven thousand, six hundred twenty-one".