49498128 has 120 divisors (see below), whose sum is σ = 148948800. Its totient is φ = 15894144.

The previous prime is 49498087. The next prime is 49498153. The reversal of 49498128 is 82189494.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112533 + ... + 112971.

It is an arithmetic number, because the mean of its divisors is an integer number (1241240).

Almost surely, 2^49498128 is an apocalyptic number.

49498128 is a gapful number since it is divisible by the number (48) 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 49498128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74474400).

49498128 is an abundant number, since it is smaller than the sum of its proper divisors (99450672).

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

49498128 is a wasteful number, since it uses less digits than its factorization.

49498128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 473 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 49498128 is about 7035.4906012303. The cubic root of 49498128 is about 367.1663944640.

The spelling of 49498128 in words is "forty-nine million, four hundred ninety-eight thousand, one hundred twenty-eight".