215443102740 has 48 divisors (see below), whose sum is σ = 611504271168. Its totient is φ = 56664486144.

The previous prime is 215443102733. The next prime is 215443102751. The reversal of 215443102740 is 47201344512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24589582 + ... + 24598341.

It is an arithmetic number, because the mean of its divisors is an integer number (12739672316).

Almost surely, 2^215443102740 is an apocalyptic number.

215443102740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215443102740 is an abundant number, since it is smaller than the sum of its proper divisors (396061168428).

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

215443102740 is a wasteful number, since it uses less digits than its factorization.

215443102740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49188008 (or 49188006 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 215443102740 in words is "two hundred fifteen billion, four hundred forty-three million, one hundred two thousand, seven hundred forty".