202605125442 has 16 divisors (see below), whose sum is σ = 407791209792. Its totient is φ = 67104882000.

The previous prime is 202605125423. The next prime is 202605125449. The reversal of 202605125442 is 244521506202.

It is not an unprimeable number, because it can be changed into a prime (202605125449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107538934 + ... + 107540817.

It is an arithmetic number, because the mean of its divisors is an integer number (25486950612).

Almost surely, 2^202605125442 is an apocalyptic number.

202605125442 is an abundant number, since it is smaller than the sum of its proper divisors (205186084350).

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

202605125442 is a wasteful number, since it uses less digits than its factorization.

202605125442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215079913.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 202605125442 in words is "two hundred two billion, six hundred five million, one hundred twenty-five thousand, four hundred forty-two".