185030540 has 48 divisors (see below), whose sum is σ = 406594944. Its totient is φ = 70656000.

The previous prime is 185030519. The next prime is 185030551. The reversal of 185030540 is 45030581.

185030540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 36140 + ... + 40940.

It is an arithmetic number, because the mean of its divisors is an integer number (8470728).

Almost surely, 2^185030540 is an apocalyptic number.

185030540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 185030540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203297472).

185030540 is an abundant number, since it is smaller than the sum of its proper divisors (221564404).

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

185030540 is a wasteful number, since it uses less digits than its factorization.

185030540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898 (or 4896 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 185030540 is about 13602.5931351342. The cubic root of 185030540 is about 569.8332743111.

The spelling of 185030540 in words is "one hundred eighty-five million, thirty thousand, five hundred forty".