44494164 has 192 divisors, whose sum is σ = 140743680. Its totient is φ = 11975040.

The previous prime is 44494147. The next prime is 44494169. The reversal of 44494164 is 46149444.

44494164 is a `hidden beast` number, since 4 + 4 + 494 + 164 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44494169) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 664059 + ... + 664125.

It is an arithmetic number, because the mean of its divisors is an integer number (733040).

Almost surely, 2^44494164 is an apocalyptic number.

44494164 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44494164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70371840).

44494164 is an abundant number, since it is smaller than the sum of its proper divisors (96249516).

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

44494164 is a wasteful number, since it uses less digits than its factorization.

44494164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 139 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 44494164 is about 6670.3945910268. The cubic root of 44494164 is about 354.3515611160.

The spelling of 44494164 in words is "forty-four million, four hundred ninety-four thousand, one hundred sixty-four".