234205040 has 40 divisors (see below), whose sum is σ = 545308848. Its totient is φ = 93547520.

The previous prime is 234205033. The next prime is 234205051. The reversal of 234205040 is 40502432.

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

It is a super-2 number, since 2×234205040² = 109704001522803200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 68819 + ... + 72141.

Almost surely, 2^234205040 is an apocalyptic number.

234205040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234205040 is an abundant number, since it is smaller than the sum of its proper divisors (311103808).

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

234205040 is a wasteful number, since it uses less digits than its factorization.

234205040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 234205040 is about 15303.7590153531. The cubic root of 234205040 is about 616.4039487998.

Adding to 234205040 its reverse (40502432), we get a palindrome (274707472).

The spelling of 234205040 in words is "two hundred thirty-four million, two hundred five thousand, forty".