854025840 has 60 divisors (see below), whose sum is σ = 2868105864. Its totient is φ = 227740032.

The previous prime is 854025829. The next prime is 854025841. The reversal of 854025840 is 48520458.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 854025795 and 854025804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854025841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592354 + ... + 593793.

Almost surely, 2^854025840 is an apocalyptic number.

854025840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

854025840 is an abundant number, since it is smaller than the sum of its proper divisors (2014080024).

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

854025840 is a wasteful number, since it uses less digits than its factorization.

854025840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186166 (or 1186157 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 854025840 is about 29223.7205023590. The cubic root of 854025840 is about 948.7613922716.

The spelling of 854025840 in words is "eight hundred fifty-four million, twenty-five thousand, eight hundred forty".