2450400342121 has 16 divisors (see below), whose sum is σ = 2591516822400. Its totient is φ = 2310514633728.

The previous prime is 2450400342037. The next prime is 2450400342157. The reversal of 2450400342121 is 1212430040542.

It is a cyclic number.

It is not a de Polignac number, because 2450400342121 - 2³³ = 2441810407529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2450400342121.

It is not an unprimeable number, because it can be changed into a prime (2450400340121) 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, 5320585 + ... + 5762761.

It is an arithmetic number, because the mean of its divisors is an integer number (161969801400).

Almost surely, 2^{2450400342121} is an apocalyptic number.

It is an amenable number.

2450400342121 is a deficient number, since it is larger than the sum of its proper divisors (141116480279).

2450400342121 is a wasteful number, since it uses less digits than its factorization.

2450400342121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443568.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 2450400342121 its reverse (1212430040542), we get a palindrome (3662830382663).

The spelling of 2450400342121 in words is "two trillion, four hundred fifty billion, four hundred million, three hundred forty-two thousand, one hundred twenty-one".