2402400985642 has 128 divisors (see below), whose sum is σ = 4348096496640. Its totient is φ = 973906053120.

The previous prime is 2402400985637. The next prime is 2402400985669. The reversal of 2402400985642 is 2465890042042.

It is a junction number, because it is equal to n+sod(n) for n = 2402400985592 and 2402400985601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1818622342 + ... + 1818623662.

It is an arithmetic number, because the mean of its divisors is an integer number (33969503880).

Almost surely, 2^{2402400985642} is an apocalyptic number.

2402400985642 is a deficient number, since it is larger than the sum of its proper divisors (1945695510998).

2402400985642 is a wasteful number, since it uses less digits than its factorization.

2402400985642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 2402400985642 in words is "two trillion, four hundred two billion, four hundred million, nine hundred eighty-five thousand, six hundred forty-two".