581484380 has 12 divisors (see below), whose sum is σ = 1221117240. Its totient is φ = 232593744.

The previous prime is 581484377. The next prime is 581484383. The reversal of 581484380 is 83484185.

It is an interprime number because it is at equal distance from previous prime (581484377) and next prime (581484383).

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581484383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14537090 + ... + 14537129.

It is an arithmetic number, because the mean of its divisors is an integer number (101759770).

Almost surely, 2^581484380 is an apocalyptic number.

It is an amenable number.

581484380 is an abundant number, since it is smaller than the sum of its proper divisors (639632860).

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

581484380 is a wasteful number, since it uses less digits than its factorization.

581484380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29074228 (or 29074226 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 581484380 is about 24113.9872273334. The cubic root of 581484380 is about 834.6659258563.

The spelling of 581484380 in words is "five hundred eighty-one million, four hundred eighty-four thousand, three hundred eighty".