402202464 has 24 divisors (see below), whose sum is σ = 1055781720. Its totient is φ = 134067456.

The previous prime is 402202457. The next prime is 402202487. The reversal of 402202464 is 464202204.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094709 + ... + 2094900.

It is an arithmetic number, because the mean of its divisors is an integer number (43990905).

Almost surely, 2^402202464 is an apocalyptic number.

It is an amenable number.

402202464 is an abundant number, since it is smaller than the sum of its proper divisors (653579256).

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

402202464 is a wasteful number, since it uses less digits than its factorization.

402202464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189622 (or 4189614 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 402202464 is about 20054.9860134581. The cubic root of 402202464 is about 738.1561497130.

Adding to 402202464 its reverse (464202204), we get a palindrome (866404668).

The spelling of 402202464 in words is "four hundred two million, two hundred two thousand, four hundred sixty-four".