245122404402 has 16 divisors (see below), whose sum is σ = 490261485312. Its totient is φ = 81704688720.

The previous prime is 245122404377. The next prime is 245122404421. The reversal of 245122404402 is 204404221542.

It is a self number, because there is not a number n which added to its sum of digits gives 245122404402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499549 + ... + 860112.

It is an arithmetic number, because the mean of its divisors is an integer number (30641342832).

Almost surely, 2^245122404402 is an apocalyptic number.

245122404402 is an abundant number, since it is smaller than the sum of its proper divisors (245139080910).

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

245122404402 is a wasteful number, since it uses less digits than its factorization.

245122404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389713.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 245122404402 its reverse (204404221542), we get a palindrome (449526625944).

The spelling of 245122404402 in words is "two hundred forty-five billion, one hundred twenty-two million, four hundred four thousand, four hundred two".