4156256352 has 48 divisors (see below), whose sum is σ = 10928720880. Its totient is φ = 1383063552.

The previous prime is 4156256347. The next prime is 4156256369. The reversal of 4156256352 is 2536526514.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 4156256352.

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, 20424 + ... + 93432.

It is an arithmetic number, because the mean of its divisors is an integer number (227681685).

Almost surely, 2^4156256352 is an apocalyptic number.

It is an amenable number.

4156256352 is an abundant number, since it is smaller than the sum of its proper divisors (6772464528).

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

4156256352 is a wasteful number, since it uses less digits than its factorization.

4156256352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73615 (or 73607 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 4156256352 is about 64469.0340551183. The cubic root of 4156256352 is about 1607.8077169153.

The spelling of 4156256352 in words is "four billion, one hundred fifty-six million, two hundred fifty-six thousand, three hundred fifty-two".