49481280 has 280 divisors, whose sum is σ = 185879232. Its totient is φ = 12469248.

The previous prime is 49481269. The next prime is 49481291. The reversal of 49481280 is 8218494.

It is an interprime number because it is at equal distance from previous prime (49481269) and next prime (49481291).

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 596119 + ... + 596201.

Almost surely, 2^49481280 is an apocalyptic number.

49481280 is a gapful number since it is divisible by the number (40) 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 49481280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92939616).

49481280 is an abundant number, since it is smaller than the sum of its proper divisors (136397952).

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

49481280 is a wasteful number, since it uses less digits than its factorization.

49481280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 49481280 is about 7034.2931414606. The cubic root of 49481280 is about 367.1247314648.

The spelling of 49481280 in words is "forty-nine million, four hundred eighty-one thousand, two hundred eighty".