3256430400 has 126 divisors (see below), whose sum is σ = 11574173702. Its totient is φ = 868377600.

The previous prime is 3256430351. The next prime is 3256430417. The reversal of 3256430400 is 40346523.

3256430400 is a `hidden beast` number, since 3 + 256 + 4 + 3 + 0 + 400 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 264777984 + 2991652416 = 16272^2 + 54696^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 98671 + ... + 127470.

Almost surely, 2^3256430400 is an apocalyptic number.

3256430400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3256430400 is an abundant number, since it is smaller than the sum of its proper divisors (8317743302).

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

3256430400 is a wasteful number, since it uses less digits than its factorization.

3256430400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226169 (or 226151 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 3256430400 is about 57065.1417241734. The cubic root of 3256430400 is about 1482.2243154588.

Adding to 3256430400 its reverse (40346523), we get a palindrome (3296776923).

The spelling of 3256430400 in words is "three billion, two hundred fifty-six million, four hundred thirty thousand, four hundred".