1854534460 has 48 divisors (see below), whose sum is σ = 4004380800. Its totient is φ = 721103360.

The previous prime is 1854534449. The next prime is 1854534469. The reversal of 1854534460 is 644354581.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1854534469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133440 + ... + 146680.

It is an arithmetic number, because the mean of its divisors is an integer number (83424600).

Almost surely, 2^1854534460 is an apocalyptic number.

1854534460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1854534460 is an abundant number, since it is smaller than the sum of its proper divisors (2149846340).

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

1854534460 is a wasteful number, since it uses less digits than its factorization.

1854534460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13446 (or 13444 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 1854534460 is about 43064.3061014572. The cubic root of 1854534460 is about 1228.6031822255.

The spelling of 1854534460 in words is "one billion, eight hundred fifty-four million, five hundred thirty-four thousand, four hundred sixty".