4256491000472 has 32 divisors (see below), whose sum is σ = 8002297789200. Its totient is φ = 2122546103424.

The previous prime is 4256491000471. The next prime is 4256491000483. The reversal of 4256491000472 is 2740001946524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256491000471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30967403 + ... + 31104549.

Almost surely, 2^{4256491000472} is an apocalyptic number.

It is an amenable number.

4256491000472 is a deficient number, since it is larger than the sum of its proper divisors (3745806788728).

4256491000472 is a wasteful number, since it uses less digits than its factorization.

4256491000472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147515 (or 147511 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

Adding to 4256491000472 its reverse (2740001946524), we get a palindrome (6996492946996).

The spelling of 4256491000472 in words is "four trillion, two hundred fifty-six billion, four hundred ninety-one million, four hundred seventy-two", and thus it is an aban number.