1056400230 has 32 divisors (see below), whose sum is σ = 2684500704. Its totient is φ = 265135616.

The previous prime is 1056400223. The next prime is 1056400243. The reversal of 1056400230 is 320046501.

It is a happy number.

It is a super-2 number, since 2×1056400230² = 2231962891888105800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056400197 and 1056400206.

It is a congruent number.

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, 1035177 + ... + 1036196.

It is an arithmetic number, because the mean of its divisors is an integer number (83890647).

Almost surely, 2^1056400230 is an apocalyptic number.

1056400230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1056400230 is an abundant number, since it is smaller than the sum of its proper divisors (1628100474).

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

1056400230 is a wasteful number, since it uses less digits than its factorization.

1056400230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071400.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1056400230 is about 32502.3111485937. The cubic root of 1056400230 is about 1018.4573084667.

Adding to 1056400230 its reverse (320046501), we get a palindrome (1376446731).

The spelling of 1056400230 in words is "one billion, fifty-six million, four hundred thousand, two hundred thirty".