202754794842 has 16 divisors (see below), whose sum is σ = 450566210880. Its totient is φ = 67584931596.

The previous prime is 202754794819. The next prime is 202754794903. The reversal of 202754794842 is 248497457202.

202754794842 is a `hidden beast` number, since 2 + 0 + 2 + 7 + 547 + 94 + 8 + 4 + 2 = 666.

It is a super-2 number, since 2×202754794842² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 3754718423 = 202754794842 / (2 + 0 + 2 + 7 + 5 + 4 + 7 + 9 + 4 + 8 + 4 + 2).

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, 1877359158 + ... + 1877359265.

It is an arithmetic number, because the mean of its divisors is an integer number (28160388180).

Almost surely, 2^202754794842 is an apocalyptic number.

202754794842 is an abundant number, since it is smaller than the sum of its proper divisors (247811416038).

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

202754794842 is a wasteful number, since it uses less digits than its factorization.

202754794842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754718434 (or 3754718428 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 202754794842 in words is "two hundred two billion, seven hundred fifty-four million, seven hundred ninety-four thousand, eight hundred forty-two".