1834454520 has 64 divisors (see below), whose sum is σ = 6114852000. Its totient is φ = 489187584.

The previous prime is 1834454483. The next prime is 1834454533. The reversal of 1834454520 is 254544381.

It is a happy number.

1834454520 is a `hidden beast` number, since 1 + 83 + 4 + 4 + 54 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848205 + ... + 850364.

Almost surely, 2^1834454520 is an apocalyptic number.

1834454520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1834454520 is an abundant number, since it is smaller than the sum of its proper divisors (4280397480).

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

1834454520 is a wasteful number, since it uses less digits than its factorization.

1834454520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698589 (or 1698579 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 1834454520 is about 42830.5325673170. The cubic root of 1834454520 is about 1224.1528548051.

The spelling of 1834454520 in words is "one billion, eight hundred thirty-four million, four hundred fifty-four thousand, five hundred twenty".