2499009420 has 24 divisors (see below), whose sum is σ = 6997226544. Its totient is φ = 666402496.

The previous prime is 2499009391. The next prime is 2499009421. The reversal of 2499009420 is 249009942.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2499009421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20825019 + ... + 20825138.

It is an arithmetic number, because the mean of its divisors is an integer number (291551106).

Almost surely, 2^2499009420 is an apocalyptic number.

2499009420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2499009420 is an abundant number, since it is smaller than the sum of its proper divisors (4498217124).

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

2499009420 is a wasteful number, since it uses less digits than its factorization.

2499009420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41650169 (or 41650167 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 2499009420 is about 49990.0932185568. The cubic root of 2499009420 is about 1357.0295280963.

The spelling of 2499009420 in words is "two billion, four hundred ninety-nine million, nine thousand, four hundred twenty".