859967040 has 56 divisors (see below), whose sum is σ = 2730398400. Its totient is φ = 229324288.

The previous prime is 859967023. The next prime is 859967041. The reversal of 859967040 is 40769958.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (859967041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446940 + ... + 448859.

Almost surely, 2^859967040 is an apocalyptic number.

859967040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

859967040 is an abundant number, since it is smaller than the sum of its proper divisors (1870431360).

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

859967040 is a wasteful number, since it uses less digits than its factorization.

859967040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895819 (or 895809 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 859967040 is about 29325.1946285101. The cubic root of 859967040 is about 950.9563923432.

The spelling of 859967040 in words is "eight hundred fifty-nine million, nine hundred sixty-seven thousand, forty".