2401256420 has 12 divisors (see below), whose sum is σ = 5042638524. Its totient is φ = 960502560.

The previous prime is 2401256413. The next prime is 2401256447. The reversal of 2401256420 is 246521042.

It can be written as a sum of positive squares in 2 ways, for example, as 1439140096 + 962116324 = 37936^2 + 31018^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2401256420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60031391 + ... + 60031430.

It is an arithmetic number, because the mean of its divisors is an integer number (420219877).

Almost surely, 2^2401256420 is an apocalyptic number.

2401256420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2401256420 is an abundant number, since it is smaller than the sum of its proper divisors (2641382104).

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

2401256420 is a wasteful number, since it uses less digits than its factorization.

2401256420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120062830 (or 120062828 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2401256420 is about 49002.6164607565. The cubic root of 2401256420 is about 1339.0994952247.

Adding to 2401256420 its reverse (246521042), we get a palindrome (2647777462).

The spelling of 2401256420 in words is "two billion, four hundred one million, two hundred fifty-six thousand, four hundred twenty".