402250524 has 24 divisors (see below), whose sum is σ = 1010783760. Its totient is φ = 123769344.

The previous prime is 402250523. The next prime is 402250543. The reversal of 402250524 is 425052204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402250494 and 402250503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402250523) 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 7 ways as a sum of consecutive naturals, for example, 1289109 + ... + 1289420.

It is an arithmetic number, because the mean of its divisors is an integer number (42115990).

Almost surely, 2^402250524 is an apocalyptic number.

It is an amenable number.

402250524 is an abundant number, since it is smaller than the sum of its proper divisors (608533236).

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

402250524 is a wasteful number, since it uses less digits than its factorization.

402250524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578549 (or 2578547 counting only the distinct ones).

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

The square root of 402250524 is about 20056.1841834383. The cubic root of 402250524 is about 738.1855498077.

The spelling of 402250524 in words is "four hundred two million, two hundred fifty thousand, five hundred twenty-four".