2523245740242 has 32 divisors (see below), whose sum is σ = 5165275822080. Its totient is φ = 821295311760.

The previous prime is 2523245740219. The next prime is 2523245740291. The reversal of 2523245740242 is 2420475423252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2523245740194 and 2523245740203.

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 15 ways as a sum of consecutive naturals, for example, 409942 + ... + 2283537.

It is an arithmetic number, because the mean of its divisors is an integer number (161414869440).

Almost surely, 2^{2523245740242} is an apocalyptic number.

2523245740242 is an abundant number, since it is smaller than the sum of its proper divisors (2642030081838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2523245740242 is a wasteful number, since it uses less digits than its factorization.

2523245740242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697158.

The product of its (nonzero) digits is 1075200, while the sum is 42.

The spelling of 2523245740242 in words is "two trillion, five hundred twenty-three billion, two hundred forty-five million, seven hundred forty thousand, two hundred forty-two".