4256155772 has 12 divisors (see below), whose sum is σ = 8125388376. Its totient is φ = 1934616240.

The previous prime is 4256155763. The next prime is 4256155789. The reversal of 4256155772 is 2775516524.

It is a super-2 number, since 2×4256155772² = 36229723911057831968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 96730813 = 4256155772 / (4 + 2 + 5 + 6 + 1 + 5 + 5 + 7 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48365363 + ... + 48365450.

It is an arithmetic number, because the mean of its divisors is an integer number (677115698).

Almost surely, 2^4256155772 is an apocalyptic number.

It is an amenable number.

4256155772 is a deficient number, since it is larger than the sum of its proper divisors (3869232604).

4256155772 is a wasteful number, since it uses less digits than its factorization.

4256155772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96730828 (or 96730826 counting only the distinct ones).

The product of its digits is 588000, while the sum is 44.

The square root of 4256155772 is about 65239.2195845413. The cubic root of 4256155772 is about 1620.5875747994.

The spelling of 4256155772 in words is "four billion, two hundred fifty-six million, one hundred fifty-five thousand, seven hundred seventy-two".