845444034 has 32 divisors (see below), whose sum is σ = 1989282240. Its totient is φ = 265237056.

The previous prime is 845443993. The next prime is 845444063. The reversal of 845444034 is 430444548.

845444034 is a `hidden beast` number, since 84 + 544 + 4 + 0 + 34 = 666.

It is a super-2 number, since 2×845444034² = 1429551229252386312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 845444034.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459564 + ... + 461399.

It is an arithmetic number, because the mean of its divisors is an integer number (62165070).

Almost surely, 2^845444034 is an apocalyptic number.

845444034 is an abundant number, since it is smaller than the sum of its proper divisors (1143838206).

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

845444034 is a wasteful number, since it uses less digits than its factorization.

845444034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920991 (or 920985 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

The square root of 845444034 is about 29076.5203213865. The cubic root of 845444034 is about 945.5727643924.

The spelling of 845444034 in words is "eight hundred forty-five million, four hundred forty-four thousand, thirty-four".