202543505553402 has 48 divisors (see below), whose sum is σ = 472602794227200. Its totient is φ = 62320909673376.

The previous prime is 202543505553289. The next prime is 202543505553407. The reversal of 202543505553402 is 204355505345202.

202543505553402 is a `hidden beast` number, since 2 + 0 + 2 + 5 + 4 + 3 + 50 + 5 + 553 + 40 + 2 = 666.

202543505553402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (202543505553407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106321243 + ... + 108209489.

It is an arithmetic number, because the mean of its divisors is an integer number (9845891546400).

Almost surely, 2^{202543505553402} is an apocalyptic number.

202543505553402 is an abundant number, since it is smaller than the sum of its proper divisors (270059288673798).

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

202543505553402 is a wasteful number, since it uses less digits than its factorization.

202543505553402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346667 (or 2346664 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 45.

The spelling of 202543505553402 in words is "two hundred two trillion, five hundred forty-three billion, five hundred five million, five hundred fifty-three thousand, four hundred two".