40030232 has 16 divisors (see below), whose sum is σ = 81880200. Its totient is φ = 18195520.

The previous prime is 40030231. The next prime is 40030241. The reversal of 40030232 is 23203004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227357 + ... + 227532.

Almost surely, 2^40030232 is an apocalyptic number.

It is an amenable number.

40030232 is an abundant number, since it is smaller than the sum of its proper divisors (41849968).

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

40030232 is a wasteful number, since it uses less digits than its factorization.

40030232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454906 (or 454902 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 40030232 is about 6326.9449183630. The cubic root of 40030232 is about 342.0813276259.

Adding to 40030232 its reverse (23203004), we get a palindrome (63233236).

The spelling of 40030232 in words is "forty million, thirty thousand, two hundred thirty-two".