2402400985643 has 16 divisors (see below), whose sum is σ = 2442657803040. Its totient is φ = 2362276224000.

The previous prime is 2402400985637. The next prime is 2402400985669. The reversal of 2402400985643 is 3465890042042.

It is a cyclic number.

It is not a de Polignac number, because 2402400985643 - 2⁴ = 2402400985627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402400975643) 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, 148830353 + ... + 148846493.

It is an arithmetic number, because the mean of its divisors is an integer number (152666112690).

Almost surely, 2^{2402400985643} is an apocalyptic number.

2402400985643 is a deficient number, since it is larger than the sum of its proper divisors (40256817397).

2402400985643 is a wasteful number, since it uses less digits than its factorization.

2402400985643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20078.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 2402400985643 in words is "two trillion, four hundred two billion, four hundred million, nine hundred eighty-five thousand, six hundred forty-three".