205463215260 has 72 divisors (see below), whose sum is σ = 629409152736. Its totient is φ = 54247708800.

The previous prime is 205463215241. The next prime is 205463215283. The reversal of 205463215260 is 62512364502.

205463215260 is a `hidden beast` number, since 2 + 0 + 5 + 4 + 632 + 15 + 2 + 6 + 0 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 5632624 + ... + 5668983.

It is an arithmetic number, because the mean of its divisors is an integer number (8741793788).

Almost surely, 2^205463215260 is an apocalyptic number.

205463215260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205463215260 is an abundant number, since it is smaller than the sum of its proper divisors (423945937476).

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

205463215260 is a wasteful number, since it uses less digits than its factorization.

205463215260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11301723 (or 11301718 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 205463215260 its reverse (62512364502), we get a palindrome (267975579762).

The spelling of 205463215260 in words is "two hundred five billion, four hundred sixty-three million, two hundred fifteen thousand, two hundred sixty".