2830191240 has 64 divisors (see below), whose sum is σ = 8500723200. Its totient is φ = 753815552.

The previous prime is 2830191223. The next prime is 2830191271. The reversal of 2830191240 is 421910382.

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

It is a junction number, because it is equal to n+sod(n) for n = 2830191198 and 2830191207.

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, 89896 + ... + 117224.

It is an arithmetic number, because the mean of its divisors is an integer number (132823800).

Almost surely, 2^2830191240 is an apocalyptic number.

2830191240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2830191240 is an abundant number, since it is smaller than the sum of its proper divisors (5670531960).

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

2830191240 is a wasteful number, since it uses less digits than its factorization.

2830191240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28206 (or 28202 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2830191240 is about 53199.5417273495. The cubic root of 2830191240 is about 1414.5075204758.

The spelling of 2830191240 in words is "two billion, eight hundred thirty million, one hundred ninety-one thousand, two hundred forty".