215363601400 has 48 divisors (see below), whose sum is σ = 500988012840. Its totient is φ = 86099395200.

The previous prime is 215363601379. The next prime is 215363601451. The reversal of 215363601400 is 4106363512.

215363601400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 88555 + ... + 662245.

Almost surely, 2^215363601400 is an apocalyptic number.

215363601400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215363601400 is an abundant number, since it is smaller than the sum of its proper divisors (285624411440).

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

215363601400 is a wasteful number, since it uses less digits than its factorization.

215363601400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575584 (or 575575 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 215363601400 its reverse (4106363512), we get a palindrome (219469964912).

The spelling of 215363601400 in words is "two hundred fifteen billion, three hundred sixty-three million, six hundred one thousand, four hundred".