402656848 has 20 divisors (see below), whose sum is σ = 851070528. Its totient is φ = 183025760.

The previous prime is 402656843. The next prime is 402656867. The reversal of 402656848 is 848656204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402656843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143736 + ... + 1144087.

Almost surely, 2^402656848 is an apocalyptic number.

It is an amenable number.

402656848 is an abundant number, since it is smaller than the sum of its proper divisors (448413680).

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

402656848 is a wasteful number, since it uses less digits than its factorization.

402656848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287842 (or 2287836 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 402656848 is about 20066.3112703855. The cubic root of 402656848 is about 738.4340198123.

The spelling of 402656848 in words is "four hundred two million, six hundred fifty-six thousand, eight hundred forty-eight".