2391504420 has 48 divisors (see below), whose sum is σ = 6714227520. Its totient is φ = 636018816.

The previous prime is 2391504403. The next prime is 2391504421. The reversal of 2391504420 is 244051932.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2391504421) 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, 31050 + ... + 75809.

It is an arithmetic number, because the mean of its divisors is an integer number (139879740).

Almost surely, 2^2391504420 is an apocalyptic number.

2391504420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2391504420 is an abundant number, since it is smaller than the sum of its proper divisors (4322723100).

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

2391504420 is a wasteful number, since it uses less digits than its factorization.

2391504420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107244 (or 107242 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2391504420 is about 48903.0103367881. The cubic root of 2391504420 is about 1337.2842487756.

The spelling of 2391504420 in words is "two billion, three hundred ninety-one million, five hundred four thousand, four hundred twenty".