44666671378 has 24 divisors (see below), whose sum is σ = 78010670592. Its totient is φ = 19125202824.

The previous prime is 44666671373. The next prime is 44666671433. The reversal of 44666671378 is 87317666644.

It is a super-2 number, since 2×44666671378² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44666671373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103126 + ... + 316177.

It is an arithmetic number, because the mean of its divisors is an integer number (3250444608).

Almost surely, 2^44666671378 is an apocalyptic number.

44666671378 is a deficient number, since it is larger than the sum of its proper divisors (33343999214).

44666671378 is a wasteful number, since it uses less digits than its factorization.

44666671378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420406 (or 420399 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 58.

The spelling of 44666671378 in words is "forty-four billion, six hundred sixty-six million, six hundred seventy-one thousand, three hundred seventy-eight".