2215305445400 has 48 divisors (see below), whose sum is σ = 5152665677040. Its totient is φ = 885764240000.

The previous prime is 2215305445351. The next prime is 2215305445471. The reversal of 2215305445400 is 45445035122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1740476 + ... + 2731275.

It is an arithmetic number, because the mean of its divisors is an integer number (107347201605).

Almost surely, 2^{2215305445400} is an apocalyptic number.

2215305445400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215305445400 is an abundant number, since it is smaller than the sum of its proper divisors (2937360231640).

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

2215305445400 is a wasteful number, since it uses less digits than its factorization.

2215305445400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474244 (or 4474235 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 2215305445400 in words is "two trillion, two hundred fifteen billion, three hundred five million, four hundred forty-five thousand, four hundred".