402260500 has 24 divisors (see below), whose sum is σ = 878538024. Its totient is φ = 160904000.

The previous prime is 402260491. The next prime is 402260519. The reversal of 402260500 is 5062204.

It can be written as a sum of positive squares in 4 ways, for example, as 14485636 + 387774864 = 3806^2 + 19692^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401761 + ... + 402760.

It is an arithmetic number, because the mean of its divisors is an integer number (36605751).

Almost surely, 2^402260500 is an apocalyptic number.

It is an amenable number.

402260500 is an abundant number, since it is smaller than the sum of its proper divisors (476277524).

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

402260500 is a wasteful number, since it uses less digits than its factorization.

402260500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804540 (or 804528 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 402260500 is about 20056.4328832422. The cubic root of 402260500 is about 738.1916522055.

The spelling of 402260500 in words is "four hundred two million, two hundred sixty thousand, five hundred".