402190358400 has 768 divisors, whose sum is σ = 1556108736000. Its totient is φ = 101165137920.

The previous prime is 402190358393. The next prime is 402190358413. The reversal of 402190358400 is 4853091204.

402190358400 is a `hidden beast` number, since 4 + 0 + 219 + 0 + 35 + 8 + 400 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 553218837 + ... + 553219563.

It is an arithmetic number, because the mean of its divisors is an integer number (2026183250).

Almost surely, 2^402190358400 is an apocalyptic number.

402190358400 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 402190358400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778054368000).

402190358400 is an abundant number, since it is smaller than the sum of its proper divisors (1153918377600).

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

402190358400 is a wasteful number, since it uses less digits than its factorization.

402190358400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 402190358400 in words is "four hundred two billion, one hundred ninety million, three hundred fifty-eight thousand, four hundred".