845919446904 has 96 divisors (see below), whose sum is σ = 2621295462240. Its totient is φ = 241416806400.

The previous prime is 845919446903. The next prime is 845919446989. The reversal of 845919446904 is 409644919548.

845919446904 is a `hidden beast` number, since 8 + 459 + 1 + 94 + 4 + 6 + 90 + 4 = 666.

It is a super-3 number, since 3×845919446904³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845919446903) 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, 508537 + ... + 1396584.

It is an arithmetic number, because the mean of its divisors is an integer number (27305161065).

Almost surely, 2^845919446904 is an apocalyptic number.

845919446904 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

845919446904 is an abundant number, since it is smaller than the sum of its proper divisors (1775376015336).

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

845919446904 is a wasteful number, since it uses less digits than its factorization.

845919446904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906021 (or 1906014 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 845919446904 in words is "eight hundred forty-five billion, nine hundred nineteen million, four hundred forty-six thousand, nine hundred four".