2130554840 has 32 divisors (see below), whose sum is σ = 4797874080. Its totient is φ = 851488512.

The previous prime is 2130554827. The next prime is 2130554879. The reversal of 2130554840 is 484550312.

It is a junction number, because it is equal to n+sod(n) for n = 2130554797 and 2130554806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25397 + ... + 70043.

It is an arithmetic number, because the mean of its divisors is an integer number (149933565).

Almost surely, 2^2130554840 is an apocalyptic number.

2130554840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130554840 is an abundant number, since it is smaller than the sum of its proper divisors (2667319240).

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

2130554840 is a wasteful number, since it uses less digits than its factorization.

2130554840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45851 (or 45847 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 2130554840 is about 46157.9336625894. The cubic root of 2130554840 is about 1286.7600604560.

The spelling of 2130554840 in words is "two billion, one hundred thirty million, five hundred fifty-four thousand, eight hundred forty".