361520021436 has 96 divisors (see below), whose sum is σ = 967669624320. Its totient is φ = 102904383744.

The previous prime is 361520021413. The next prime is 361520021483. The reversal of 361520021436 is 634120025163.

It is a junction number, because it is equal to n+sod(n) for n = 361520021397 and 361520021406.

It is a congruent number.

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, 63611451 + ... + 63617133.

It is an arithmetic number, because the mean of its divisors is an integer number (10079891920).

Almost surely, 2^361520021436 is an apocalyptic number.

It is an amenable number.

361520021436 is an abundant number, since it is smaller than the sum of its proper divisors (606149602884).

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

361520021436 is a wasteful number, since it uses less digits than its factorization.

361520021436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8403 (or 8401 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 361520021436 its reverse (634120025163), we get a palindrome (995640046599).

The spelling of 361520021436 in words is "three hundred sixty-one billion, five hundred twenty million, twenty-one thousand, four hundred thirty-six".