855264392451 has 48 divisors (see below), whose sum is σ = 1442152857600. Its totient is φ = 478241843904.

The previous prime is 855264392407. The next prime is 855264392471. The reversal of 855264392451 is 154293462558.

855264392451 is a `hidden beast` number, since 8 + 5 + 526 + 43 + 9 + 24 + 51 = 666.

855264392451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 855264392451 - 2¹⁹ = 855263868163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855264392471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19873465 + ... + 19916453.

It is an arithmetic number, because the mean of its divisors is an integer number (30044851200).

Almost surely, 2^855264392451 is an apocalyptic number.

855264392451 is a deficient number, since it is larger than the sum of its proper divisors (586888465149).

855264392451 is a wasteful number, since it uses less digits than its factorization.

855264392451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49768 (or 49765 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The spelling of 855264392451 in words is "eight hundred fifty-five billion, two hundred sixty-four million, three hundred ninety-two thousand, four hundred fifty-one".