4025145563256 has 32 divisors (see below), whose sum is σ = 10062916802640. Its totient is φ = 1341708135168.

The previous prime is 4025145563221. The next prime is 4025145563267. The reversal of 4025145563256 is 6523655415204.

It is a super-2 number, since 2×4025145563256² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6364260 + ... + 6968076.

Almost surely, 2^{4025145563256} is an apocalyptic number.

It is an amenable number.

4025145563256 is an abundant number, since it is smaller than the sum of its proper divisors (6037771239384).

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

4025145563256 is a wasteful number, since it uses less digits than its factorization.

4025145563256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881583 (or 881579 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 4025145563256 in words is "four trillion, twenty-five billion, one hundred forty-five million, five hundred sixty-three thousand, two hundred fifty-six".