44778677687744 has 168 divisors, whose sum is σ = 121435883252208. Its totient is φ = 16104219586560.

The previous prime is 44778677687729. The next prime is 44778677687749.

44778677687744 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44778677687749) 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, 49477829 + ... + 50374724.

It is an arithmetic number, because the mean of its divisors is an integer number (722832638406).

Almost surely, 2^{44778677687744} is an apocalyptic number.

44778677687744 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44778677687744 is an abundant number, since it is smaller than the sum of its proper divisors (76657205564464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44778677687744 is a wasteful number, since it uses less digits than its factorization.

44778677687744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99852603 (or 99852586 counting only the distinct ones).

The product of its digits is 69392203776, while the sum is 86.

The spelling of 44778677687744 in words is "forty-four trillion, seven hundred seventy-eight billion, six hundred seventy-seven million, six hundred eighty-seven thousand, seven hundred forty-four".