854751440 has 40 divisors (see below), whose sum is σ = 1988531208. Its totient is φ = 341688320.

The previous prime is 854751439. The next prime is 854751451. The reversal of 854751440 is 44157458.

854751440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 310182544 + 544568896 = 17612^2 + 23336^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 854751394 and 854751403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218300 + ... + 222180.

Almost surely, 2^854751440 is an apocalyptic number.

854751440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

854751440 is an abundant number, since it is smaller than the sum of its proper divisors (1133779768).

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

854751440 is a wasteful number, since it uses less digits than its factorization.

854751440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647 (or 6641 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 854751440 is about 29236.1324391582. The cubic root of 854751440 is about 949.0300127121.

The spelling of 854751440 in words is "eight hundred fifty-four million, seven hundred fifty-one thousand, four hundred forty".