402253512121032 has 512 divisors, whose sum is σ = 1233614014617600. Its totient is φ = 107663134924800.

The previous prime is 402253512120973. The next prime is 402253512121037. The reversal of 402253512121032 is 230121215352204.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 402253512120984 and 402253512121002.

It is not an unprimeable number, because it can be changed into a prime (402253512121037) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5154347932 + ... + 5154425972.

It is an arithmetic number, because the mean of its divisors is an integer number (2409402372300).

Almost surely, 2^{402253512121032} 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 402253512121032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616807007308800).

402253512121032 is an abundant number, since it is smaller than the sum of its proper divisors (831360502496568).

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

402253512121032 is a wasteful number, since it uses less digits than its factorization.

402253512121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78829 (or 78825 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 402253512121032 its reverse (230121215352204), we get a palindrome (632374727473236).

The spelling of 402253512121032 in words is "four hundred two trillion, two hundred fifty-three billion, five hundred twelve million, one hundred twenty-one thousand, thirty-two".