44899380 has 192 divisors, whose sum is σ = 152167680. Its totient is φ = 10948608.

The previous prime is 44899373. The next prime is 44899391. The reversal of 44899380 is 8399844.

It is a happy number.

44899380 is a `hidden beast` number, since 4 + 489 + 93 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 615024 + ... + 615096.

It is an arithmetic number, because the mean of its divisors is an integer number (792540).

Almost surely, 2^44899380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44899380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76083840).

44899380 is an abundant number, since it is smaller than the sum of its proper divisors (107268300).

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

44899380 is a wasteful number, since it uses less digits than its factorization.

44899380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 44899380 is about 6700.6999634367. The cubic root of 44899380 is about 355.4240254957.

The spelling of 44899380 in words is "forty-four million, eight hundred ninety-nine thousand, three hundred eighty".