402252502 has 8 divisors (see below), whose sum is σ = 603678816. Its totient is φ = 201026232.

The previous prime is 402252481. The next prime is 402252503. The reversal of 402252502 is 205252204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402252503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44878 + ... + 53089.

It is an arithmetic number, because the mean of its divisors is an integer number (75459852).

Almost surely, 2^402252502 is an apocalyptic number.

402252502 is a deficient number, since it is larger than the sum of its proper divisors (201426314).

402252502 is a wasteful number, since it uses less digits than its factorization.

402252502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100022.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 402252502 is about 20056.2334948514. The cubic root of 402252502 is about 738.1867597739.

The spelling of 402252502 in words is "four hundred two million, two hundred fifty-two thousand, five hundred two".