2156406346410 has 32 divisors (see below), whose sum is σ = 5400391547520. Its totient is φ = 550039879488.

The previous prime is 2156406346349. The next prime is 2156406346417. The reversal of 2156406346410 is 146436046512.

It is not an unprimeable number, because it can be changed into a prime (2156406346417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562612605 + ... + 1562613984.

It is an arithmetic number, because the mean of its divisors is an integer number (168762235860).

Almost surely, 2^{2156406346410} is an apocalyptic number.

2156406346410 is an abundant number, since it is smaller than the sum of its proper divisors (3243985201110).

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

2156406346410 is a wasteful number, since it uses less digits than its factorization.

2156406346410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125226622.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 2156406346410 in words is "two trillion, one hundred fifty-six billion, four hundred six million, three hundred forty-six thousand, four hundred ten".