2449131880 has 64 divisors (see below), whose sum is σ = 5965747200. Its totient is φ = 899523840.

The previous prime is 2449131859. The next prime is 2449131889. The reversal of 2449131880 is 881319442.

2449131880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2449131889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86991 + ... + 111649.

It is an arithmetic number, because the mean of its divisors is an integer number (93214800).

Almost surely, 2^2449131880 is an apocalyptic number.

2449131880 is a gapful number since it is divisible by the number (20) 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 2449131880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2982873600).

2449131880 is an abundant number, since it is smaller than the sum of its proper divisors (3516615320).

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

2449131880 is a wasteful number, since it uses less digits than its factorization.

2449131880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24874 (or 24870 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 2449131880 is about 49488.7045698309. The cubic root of 2449131880 is about 1347.9405049070.

The spelling of 2449131880 in words is "two billion, four hundred forty-nine million, one hundred thirty-one thousand, eight hundred eighty".