130564440 has 128 divisors (see below), whose sum is σ = 443620800. Its totient is φ = 34145280.

The previous prime is 130564439. The next prime is 130564501. The reversal of 130564440 is 44465031.

130564440 is a `hidden beast` number, since 13 + 0 + 5 + 644 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56100 + ... + 58380.

Almost surely, 2^130564440 is an apocalyptic number.

130564440 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 130564440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221810400).

130564440 is an abundant number, since it is smaller than the sum of its proper divisors (313056360).

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

130564440 is a wasteful number, since it uses less digits than its factorization.

130564440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 130564440 is about 11426.4797728784. The cubic root of 130564440 is about 507.3118070776.

The spelling of 130564440 in words is "one hundred thirty million, five hundred sixty-four thousand, four hundred forty".