4255831780499 has 24 divisors (see below), whose sum is σ = 4631167440432. Its totient is φ = 3909084067200.

The previous prime is 4255831780463. The next prime is 4255831780559. The reversal of 4255831780499 is 9940871385524.

It is not a de Polignac number, because 4255831780499 - 2¹⁶ = 4255831714963 is a prime.

It is a super-2 number, since 2×4255831780499² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4255831780439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30091049 + ... + 30232149.

It is an arithmetic number, because the mean of its divisors is an integer number (192965310018).

Almost surely, 2^{4255831780499} is an apocalyptic number.

4255831780499 is a deficient number, since it is larger than the sum of its proper divisors (375335659933).

4255831780499 is a wasteful number, since it uses less digits than its factorization.

4255831780499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142007 (or 141994 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 65.

The spelling of 4255831780499 in words is "four trillion, two hundred fifty-five billion, eight hundred thirty-one million, seven hundred eighty thousand, four hundred ninety-nine".