402525042 has 16 divisors (see below), whose sum is σ = 805383552. Its totient is φ = 134119440.

The previous prime is 402525029. The next prime is 402525091. The reversal of 402525042 is 240525204.

It is a happy number.

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, 3468 + ... + 28584.

It is an arithmetic number, because the mean of its divisors is an integer number (50336472).

Almost surely, 2^402525042 is an apocalyptic number.

402525042 is an abundant number, since it is smaller than the sum of its proper divisors (402858510).

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

402525042 is a wasteful number, since it uses less digits than its factorization.

402525042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27793.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 402525042 is about 20063.0267407488. The cubic root of 402525042 is about 738.3534378338.

The spelling of 402525042 in words is "four hundred two million, five hundred twenty-five thousand, forty-two".