2401400020 has 12 divisors (see below), whose sum is σ = 5042940084. Its totient is φ = 960560000.

The previous prime is 2401400017. The next prime is 2401400021. The reversal of 2401400020 is 200041042.

It can be written as a sum of positive squares in 2 ways, for example, as 279692176 + 2121707844 = 16724^2 + 46062^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401400021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60034981 + ... + 60035020.

It is an arithmetic number, because the mean of its divisors is an integer number (420245007).

Almost surely, 2^2401400020 is an apocalyptic number.

2401400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2401400020 is an abundant number, since it is smaller than the sum of its proper divisors (2641540064).

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

2401400020 is a wasteful number, since it uses less digits than its factorization.

2401400020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120070010 (or 120070008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2401400020 is about 49004.0816667347. The cubic root of 2401400020 is about 1339.1261883138.

Adding to 2401400020 its reverse (200041042), we get a palindrome (2601441062).

The spelling of 2401400020 in words is "two billion, four hundred one million, four hundred thousand, twenty".