2162422611540 has 36 divisors (see below), whose sum is σ = 6559348588884. Its totient is φ = 576646029696.

The previous prime is 2162422611539. The next prime is 2162422611563. The reversal of 2162422611540 is 451162242612.

2162422611540 is a `hidden beast` number, since 2 + 1 + 6 + 242 + 261 + 154 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1264423785156 + 897998826384 = 1124466^2 + 947628^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 2162422611495 and 2162422611504.

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, 6006729297 + ... + 6006729656.

It is an arithmetic number, because the mean of its divisors is an integer number (182204127469).

Almost surely, 2^{2162422611540} is an apocalyptic number.

2162422611540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162422611540 is an abundant number, since it is smaller than the sum of its proper divisors (4396925977344).

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

2162422611540 is a wasteful number, since it uses less digits than its factorization.

2162422611540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12013458968 (or 12013458963 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 2162422611540 in words is "two trillion, one hundred sixty-two billion, four hundred twenty-two million, six hundred eleven thousand, five hundred forty".