1834020780 has 24 divisors (see below), whose sum is σ = 5135258352. Its totient is φ = 489072192.

The previous prime is 1834020761. The next prime is 1834020827. The reversal of 1834020780 is 870204381.

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, 15283447 + ... + 15283566.

It is an arithmetic number, because the mean of its divisors is an integer number (213969098).

Almost surely, 2^1834020780 is an apocalyptic number.

1834020780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1834020780 is an abundant number, since it is smaller than the sum of its proper divisors (3301237572).

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

1834020780 is a wasteful number, since it uses less digits than its factorization.

1834020780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30567025 (or 30567023 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1834020780 is about 42825.4688240538. The cubic root of 1834020780 is about 1224.0563672833.

The spelling of 1834020780 in words is "one billion, eight hundred thirty-four million, twenty thousand, seven hundred eighty".