402275966400 has 756 divisors, whose sum is σ = 1814454481320. Its totient is φ = 83588198400.

The previous prime is 402275966371. The next prime is 402275966401. The reversal of 402275966400 is 4669572204.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402275966401) by changing a digit.

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 107 ways as a sum of consecutive naturals, for example, 7735686 + ... + 7787514.

Almost surely, 2^402275966400 is an apocalyptic number.

402275966400 is a gapful number since it is divisible by the number (40) 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 402275966400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907227240660).

402275966400 is an abundant number, since it is smaller than the sum of its proper divisors (1412178514920).

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

402275966400 is a wasteful number, since it uses less digits than its factorization.

402275966400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51882 (or 51857 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 402275966400 in words is "four hundred two billion, two hundred seventy-five million, nine hundred sixty-six thousand, four hundred".