3256812400 has 60 divisors (see below), whose sum is σ = 8284773312. Its totient is φ = 1226091520.

The previous prime is 3256812347. The next prime is 3256812431. The reversal of 3256812400 is 42186523.

It is a super-3 number, since 3×3256812400³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232672 + ... + 246271.

Almost surely, 2^3256812400 is an apocalyptic number.

It is an amenable number.

3256812400 is an abundant number, since it is smaller than the sum of its proper divisors (5027960912).

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

3256812400 is a wasteful number, since it uses less digits than its factorization.

3256812400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478978 (or 478967 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 3256812400 is about 57068.4886780787. The cubic root of 3256812400 is about 1482.2822713062.

Adding to 3256812400 its reverse (42186523), we get a palindrome (3298998923).

The spelling of 3256812400 in words is "three billion, two hundred fifty-six million, eight hundred twelve thousand, four hundred".