44287166478 has 16 divisors (see below), whose sum is σ = 88808042880. Its totient is φ = 14723437176.

The previous prime is 44287166437. The next prime is 44287166479. The reversal of 44287166478 is 87466178244.

It is a super-2 number, since 2×44287166478² (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 (44287166479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9735450 + ... + 9739997.

It is an arithmetic number, because the mean of its divisors is an integer number (5550502680).

Almost surely, 2^44287166478 is an apocalyptic number.

44287166478 is an abundant number, since it is smaller than the sum of its proper divisors (44520876402).

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

44287166478 is a wasteful number, since it uses less digits than its factorization.

44287166478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19475831.

The product of its digits is 14450688, while the sum is 57.

The spelling of 44287166478 in words is "forty-four billion, two hundred eighty-seven million, one hundred sixty-six thousand, four hundred seventy-eight".