215450041300 has 72 divisors (see below), whose sum is σ = 525381123456. Its totient is φ = 76092044160.

The previous prime is 215450041271. The next prime is 215450041333. The reversal of 215450041300 is 3140054512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 3572944 + ... + 3632743.

It is an arithmetic number, because the mean of its divisors is an integer number (7296960048).

Almost surely, 2^215450041300 is an apocalyptic number.

215450041300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215450041300 is an abundant number, since it is smaller than the sum of its proper divisors (309931082156).

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

215450041300 is a wasteful number, since it uses less digits than its factorization.

215450041300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7205737 (or 7205730 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 215450041300 its reverse (3140054512), we get a palindrome (218590095812).

The spelling of 215450041300 in words is "two hundred fifteen billion, four hundred fifty million, forty-one thousand, three hundred".