2455140021244 has 12 divisors (see below), whose sum is σ = 4297252969800. Its totient is φ = 1227353458448.

The previous prime is 2455140021239. The next prime is 2455140021277. The reversal of 2455140021244 is 4421200415542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54112534 + ... + 54157885.

It is an arithmetic number, because the mean of its divisors is an integer number (358104414150).

Almost surely, 2^{2455140021244} is an apocalyptic number.

It is an amenable number.

2455140021244 is a deficient number, since it is larger than the sum of its proper divisors (1842112948556).

2455140021244 is a wasteful number, since it uses less digits than its factorization.

2455140021244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108276092 (or 108276090 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 2455140021244 its reverse (4421200415542), we get a palindrome (6876340436786).

The spelling of 2455140021244 in words is "two trillion, four hundred fifty-five billion, one hundred forty million, twenty-one thousand, two hundred forty-four".