44078612481 has 28 divisors (see below), whose sum is σ = 66339259008. Its totient is φ = 29273881464.

The previous prime is 44078612467. The next prime is 44078612533. The reversal of 44078612481 is 18421687044.

44078612481 is a `hidden beast` number, since 4 + 40 + 78 + 61 + 2 + 481 = 666.

It is not a de Polignac number, because 44078612481 - 2¹³ = 44078604289 is a prime.

It is a super-2 number, since 2×44078612481² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44078612441) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 76776 + ... + 306678.

Almost surely, 2^44078612481 is an apocalyptic number.

It is an amenable number.

44078612481 is a deficient number, since it is larger than the sum of its proper divisors (22260646527).

44078612481 is an equidigital number, since it uses as much as digits as its factorization.

44078612481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230184 (or 230169 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 44078612481 in words is "forty-four billion, seventy-eight million, six hundred twelve thousand, four hundred eighty-one".