2400204057929 has 2 divisors, whose sum is σ = 2400204057930. Its totient is φ = 2400204057928.

The previous prime is 2400204057919. The next prime is 2400204057941. The reversal of 2400204057929 is 9297504020042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2179529600329 + 220674457600 = 1476323^2 + 469760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2400204057929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2400204057929.

It is not a weakly prime, because it can be changed into another prime (2400204057919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200102028964 + 1200102028965.

It is an arithmetic number, because the mean of its divisors is an integer number (1200102028965).

Almost surely, 2^{2400204057929} is an apocalyptic number.

It is an amenable number.

2400204057929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400204057929 is an equidigital number, since it uses as much as digits as its factorization.

2400204057929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 2400204057929 in words is "two trillion, four hundred billion, two hundred four million, fifty-seven thousand, nine hundred twenty-nine".