402468264 has 288 divisors, whose sum is σ = 1307124000. Its totient is φ = 115758720.

The previous prime is 402468247. The next prime is 402468271. The reversal of 402468264 is 462864204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6821467 + ... + 6821525.

It is an arithmetic number, because the mean of its divisors is an integer number (4538625).

Almost surely, 2^402468264 is an apocalyptic number.

402468264 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402468264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653562000).

402468264 is an abundant number, since it is smaller than the sum of its proper divisors (904655736).

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

402468264 is a wasteful number, since it uses less digits than its factorization.

402468264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 402468264 is about 20061.6116999607. The cubic root of 402468264 is about 738.3187201572.

The spelling of 402468264 in words is "four hundred two million, four hundred sixty-eight thousand, two hundred sixty-four".