230450040 has 48 divisors (see below), whose sum is σ = 748963800. Its totient is φ = 61453248.

The previous prime is 230450039. The next prime is 230450057. The reversal of 230450040 is 40054032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 230449995 and 230450022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319710 + ... + 320429.

Almost surely, 2^230450040 is an apocalyptic number.

230450040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230450040 is an abundant number, since it is smaller than the sum of its proper divisors (518513760).

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

230450040 is a wasteful number, since it uses less digits than its factorization.

230450040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640156 (or 640149 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 230450040 is about 15180.5810165487. The cubic root of 230450040 is about 613.0919247901.

The spelling of 230450040 in words is "two hundred thirty million, four hundred fifty thousand, forty".