18295040 has 36 divisors (see below), whose sum is σ = 43825404. Its totient is φ = 7317504.

The previous prime is 18295037. The next prime is 18295091. The reversal of 18295040 is 4059281.

It can be written as a sum of positive squares in 2 ways, for example, as 2166784 + 16128256 = 1472^2 + 4016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18294994 and 18295012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5867 + ... + 8426.

Almost surely, 2^18295040 is an apocalyptic number.

18295040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18295040 is an abundant number, since it is smaller than the sum of its proper divisors (25530364).

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

18295040 is an equidigital number, since it uses as much as digits as its factorization.

18295040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14314 (or 14300 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 18295040 is about 4277.2701574719. The cubic root of 18295040 is about 263.4982818871.

The spelling of 18295040 in words is "eighteen million, two hundred ninety-five thousand, forty".