402463264 has 72 divisors (see below), whose sum is σ = 926650368. Its totient is φ = 171561600.

The previous prime is 402463199. The next prime is 402463267. The reversal of 402463264 is 462364204.

It is not an unprimeable number, because it can be changed into a prime (402463267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349089 + ... + 350239.

It is an arithmetic number, because the mean of its divisors is an integer number (12870144).

Almost surely, 2^402463264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402463264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463325184).

402463264 is an abundant number, since it is smaller than the sum of its proper divisors (524187104).

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

402463264 is a wasteful number, since it uses less digits than its factorization.

402463264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 402463264 is about 20061.4870834642. The cubic root of 402463264 is about 738.3156626831.

The spelling of 402463264 in words is "four hundred two million, four hundred sixty-three thousand, two hundred sixty-four".