49980810 has 64 divisors (see below), whose sum is σ = 131549184. Its totient is φ = 12052800.

The previous prime is 49980781. The next prime is 49980841. The reversal of 49980810 is 1808994.

It is a super-2 number, since 2×49980810² = 4996162736512200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102387 + ... + 102873.

It is an arithmetic number, because the mean of its divisors is an integer number (2055456).

Almost surely, 2^49980810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49980810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65774592).

49980810 is an abundant number, since it is smaller than the sum of its proper divisors (81568374).

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

49980810 is a wasteful number, since it uses less digits than its factorization.

49980810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 49980810 is about 7069.7107437292. The cubic root of 49980810 is about 368.3560127901.

The spelling of 49980810 in words is "forty-nine million, nine hundred eighty thousand, eight hundred ten".