2156850030 has 32 divisors (see below), whose sum is σ = 5234608800. Its totient is φ = 568696832.

The previous prime is 2156850023. The next prime is 2156850071. The reversal of 2156850030 is 300586512.

2156850030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2156850030² = 9304004103822001800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 2156850030.

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, 401235 + ... + 406574.

It is an arithmetic number, because the mean of its divisors is an integer number (163581525).

Almost surely, 2^2156850030 is an apocalyptic number.

2156850030 is an abundant number, since it is smaller than the sum of its proper divisors (3077758770).

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

2156850030 is a wasteful number, since it uses less digits than its factorization.

2156850030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807908.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2156850030 is about 46441.8995089563. The cubic root of 2156850030 is about 1292.0321375162.

The spelling of 2156850030 in words is "two billion, one hundred fifty-six million, eight hundred fifty thousand, thirty".