44887290 has 128 divisors (see below), whose sum is σ = 130014720. Its totient is φ = 9704448.

The previous prime is 44887289. The next prime is 44887319. The reversal of 44887290 is 9278844.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 411756 + ... + 411864.

It is an arithmetic number, because the mean of its divisors is an integer number (1015740).

Almost surely, 2^44887290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44887290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65007360).

44887290 is an abundant number, since it is smaller than the sum of its proper divisors (85127430).

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

44887290 is a wasteful number, since it uses less digits than its factorization.

44887290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 44887290 is about 6699.7977581417. The cubic root of 44887290 is about 355.3921211041.

The spelling of 44887290 in words is "forty-four million, eight hundred eighty-seven thousand, two hundred ninety".