10854640 has 40 divisors (see below), whose sum is σ = 25386768. Its totient is φ = 4316160.

The previous prime is 10854637. The next prime is 10854677. The reversal of 10854640 is 4645801.

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

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 10854599 and 10854608.

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, 18999 + ... + 19561.

Almost surely, 2^10854640 is an apocalyptic number.

10854640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10854640 is an abundant number, since it is smaller than the sum of its proper divisors (14532128).

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

10854640 is a wasteful number, since it uses less digits than its factorization.

10854640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 10854640 is about 3294.6380681343. The cubic root of 10854640 is about 221.4140324431.

The spelling of 10854640 in words is "ten million, eight hundred fifty-four thousand, six hundred forty".