202604187942 has 48 divisors (see below), whose sum is σ = 473866240848. Its totient is φ = 62191644480.

The previous prime is 202604187937. The next prime is 202604187949. The reversal of 202604187942 is 249781406202.

202604187942 is a `hidden beast` number, since 20 + 2 + 604 + 18 + 7 + 9 + 4 + 2 = 666.

202604187942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202604187949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 929788 + ... + 1126815.

It is an arithmetic number, because the mean of its divisors is an integer number (9872213351).

Almost surely, 2^202604187942 is an apocalyptic number.

202604187942 is an abundant number, since it is smaller than the sum of its proper divisors (271262052906).

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

202604187942 is a wasteful number, since it uses less digits than its factorization.

202604187942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057045 (or 2057042 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 202604187942 in words is "two hundred two billion, six hundred four million, one hundred eighty-seven thousand, nine hundred forty-two".