245853606402 has 64 divisors (see below), whose sum is σ = 556718400000. Its totient is φ = 80400231504.

The previous prime is 245853606391. The next prime is 245853606403. The reversal of 245853606402 is 204606358542.

245853606402 is a `hidden beast` number, since 2 + 4 + 58 + 536 + 0 + 64 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (245853606403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1512493 + ... + 1667135.

It is an arithmetic number, because the mean of its divisors is an integer number (8698725000).

Almost surely, 2^245853606402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245853606402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278359200000).

245853606402 is an abundant number, since it is smaller than the sum of its proper divisors (310864793598).

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

245853606402 is a wasteful number, since it uses less digits than its factorization.

245853606402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155212 (or 155206 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 245853606402 in words is "two hundred forty-five billion, eight hundred fifty-three million, six hundred six thousand, four hundred two".