1834840490 has 16 divisors (see below), whose sum is σ = 3774529152. Its totient is φ = 629088144.

The previous prime is 1834840451. The next prime is 1834840519. The reversal of 1834840490 is 940484381.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13105934 + ... + 13106073.

It is an arithmetic number, because the mean of its divisors is an integer number (235908072).

Almost surely, 2^1834840490 is an apocalyptic number.

1834840490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1834840490 is an abundant number, since it is smaller than the sum of its proper divisors (1939688662).

1834840490 is a wasteful number, since it uses less digits than its factorization.

1834840490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26212021.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1834840490 is about 42835.0381113406. The cubic root of 1834840490 is about 1224.2387028759.

It can be divided in two parts, 18 and 34840490, that multiplied together give a triangular number (627128820 = T₃₅₄₁₅).

The spelling of 1834840490 in words is "one billion, eight hundred thirty-four million, eight hundred forty thousand, four hundred ninety".