2215667238320 has 80 divisors (see below), whose sum is σ = 5630401559808. Its totient is φ = 807225999360.

The previous prime is 2215667238263. The next prime is 2215667238403. The reversal of 2215667238320 is 238327665122.

It is a tau number, because it is divible by the number of its divisors (80).

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, 26234729 + ... + 26319048.

Almost surely, 2^{2215667238320} is an apocalyptic number.

2215667238320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215667238320 is an abundant number, since it is smaller than the sum of its proper divisors (3414734321488).

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

2215667238320 is a wasteful number, since it uses less digits than its factorization.

2215667238320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52553838 (or 52553832 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 2215667238320 in words is "two trillion, two hundred fifteen billion, six hundred sixty-seven million, two hundred thirty-eight thousand, three hundred twenty".