402555203123200 has 288 divisors, whose sum is σ = 1034493948306000. Its totient is φ = 155170891366400.

The previous prime is 402555203123191. The next prime is 402555203123233. The reversal of 402555203123200 is 2321302555204.

It is a super-2 number, since 2×402555203123200² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773320611 + ... + 773840989.

Almost surely, 2^{402555203123200} is an apocalyptic number.

402555203123200 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 402555203123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517246974153000).

402555203123200 is an abundant number, since it is smaller than the sum of its proper divisors (631938745182800).

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

402555203123200 is a wasteful number, since it uses less digits than its factorization.

402555203123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520961 (or 520936 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 402555203123200 its reverse (2321302555204), we get a palindrome (404876505678404).

The spelling of 402555203123200 in words is "four hundred two trillion, five hundred fifty-five billion, two hundred three million, one hundred twenty-three thousand, two hundred".