402253515530120 has 128 divisors (see below), whose sum is σ = 967680006912000. Its totient is φ = 150048680221440.

The previous prime is 402253515530071. The next prime is 402253515530147. The reversal of 402253515530120 is 21035515352204.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9752759 + ... + 29993721.

It is an arithmetic number, because the mean of its divisors is an integer number (7560000054000).

Almost surely, 2^{402253515530120} is an apocalyptic number.

402253515530120 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 402253515530120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483840003456000).

402253515530120 is an abundant number, since it is smaller than the sum of its proper divisors (565426491381880).

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

402253515530120 is a wasteful number, since it uses less digits than its factorization.

402253515530120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20241403 (or 20241399 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 402253515530120 in words is "four hundred two trillion, two hundred fifty-three billion, five hundred fifteen million, five hundred thirty thousand, one hundred twenty".