1056304620 has 144 divisors (see below), whose sum is σ = 3854672640. Its totient is φ = 228728448.

The previous prime is 1056304619. The next prime is 1056304621. The reversal of 1056304620 is 264036501.

1056304620 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 30 + 4 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (1056304619) and next prime (1056304621).

It is a super-2 number, since 2×1056304620² = 2231558900466688800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056304621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1879 + ... + 46001.

It is an arithmetic number, because the mean of its divisors is an integer number (26768560).

Almost surely, 2^1056304620 is an apocalyptic number.

1056304620 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 1056304620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927336320).

1056304620 is an abundant number, since it is smaller than the sum of its proper divisors (2798368020).

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

1056304620 is a wasteful number, since it uses less digits than its factorization.

1056304620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44164 (or 44159 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1056304620 is about 32500.8402968292. The cubic root of 1056304620 is about 1018.4265822203.

The spelling of 1056304620 in words is "one billion, fifty-six million, three hundred four thousand, six hundred twenty".