44978160 has 40 divisors (see below), whose sum is σ = 139433040. Its totient is φ = 11994112.

The previous prime is 44978123. The next prime is 44978161. The reversal of 44978160 is 6187944.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44978161) 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, 93465 + ... + 93944.

It is an arithmetic number, because the mean of its divisors is an integer number (3485826).

Almost surely, 2^44978160 is an apocalyptic number.

44978160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44978160 is an abundant number, since it is smaller than the sum of its proper divisors (94454880).

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

44978160 is a wasteful number, since it uses less digits than its factorization.

44978160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187425 (or 187419 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 44978160 is about 6706.5758774504. The cubic root of 44978160 is about 355.6317785079.

The spelling of 44978160 in words is "forty-four million, nine hundred seventy-eight thousand, one hundred sixty".