49280868 has 144 divisors (see below), whose sum is σ = 156956800. Its totient is φ = 12954816.

The previous prime is 49280849. The next prime is 49280873. The reversal of 49280868 is 86808294.

It is a happy number.

49280868 is a `hidden beast` number, since 492 + 80 + 86 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160371 + ... + 160677.

Almost surely, 2^49280868 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 49280868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78478400).

49280868 is an abundant number, since it is smaller than the sum of its proper divisors (107675932).

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

49280868 is a wasteful number, since it uses less digits than its factorization.

49280868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 49280868 is about 7020.0333332542. The cubic root of 49280868 is about 366.6284107011.

The spelling of 49280868 in words is "forty-nine million, two hundred eighty thousand, eight hundred sixty-eight".