2320400402 has 16 divisors (see below), whose sum is σ = 3635718912. Its totient is φ = 1108599360.

The previous prime is 2320400359. The next prime is 2320400413. The reversal of 2320400402 is 2040040232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19127 + ... + 70757.

It is an arithmetic number, because the mean of its divisors is an integer number (227232432).

Almost surely, 2^2320400402 is an apocalyptic number.

2320400402 is a deficient number, since it is larger than the sum of its proper divisors (1315318510).

2320400402 is a wasteful number, since it uses less digits than its factorization.

2320400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52633.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2320400402 is about 48170.5345828755. The cubic root of 2320400402 is about 1323.8973433640.

Adding to 2320400402 its reverse (2040040232), we get a palindrome (4360440634).

The spelling of 2320400402 in words is "two billion, three hundred twenty million, four hundred thousand, four hundred two".