851044468 has 12 divisors (see below), whose sum is σ = 1494629892. Its totient is φ = 424007360.

The previous prime is 851044427. The next prime is 851044487. The reversal of 851044468 is 864440158.

It can be written as a sum of positive squares in 2 ways, for example, as 253828624 + 597215844 = 15932^2 + 24438^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 851044468.

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, 377455 + ... + 379702.

It is an arithmetic number, because the mean of its divisors is an integer number (124552491).

Almost surely, 2^851044468 is an apocalyptic number.

It is an amenable number.

851044468 is a deficient number, since it is larger than the sum of its proper divisors (643585424).

851044468 is a wasteful number, since it uses less digits than its factorization.

851044468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757442 (or 757440 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 851044468 is about 29172.6664533772. Note that the first 3 decimals coincide. The cubic root of 851044468 is about 947.6560749849.

The spelling of 851044468 in words is "eight hundred fifty-one million, forty-four thousand, four hundred sixty-eight".