2481989040 has 100 divisors (see below), whose sum is σ = 8620338144. Its totient is φ = 661862016.

The previous prime is 2481989039. The next prime is 2481989051. The reversal of 2481989040 is 409891842.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 185032 + ... + 197991.

Almost surely, 2^2481989040 is an apocalyptic number.

2481989040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2481989040 is an abundant number, since it is smaller than the sum of its proper divisors (6138349104).

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

2481989040 is a wasteful number, since it uses less digits than its factorization.

2481989040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383048 (or 383033 counting only the distinct ones).

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

The square root of 2481989040 is about 49819.5648314997. The cubic root of 2481989040 is about 1353.9416652989.

The spelling of 2481989040 in words is "two billion, four hundred eighty-one million, nine hundred eighty-nine thousand, forty".