232199440 has 40 divisors (see below), whose sum is σ = 588944448. Its totient is φ = 84435840.

The previous prime is 232199431. The next prime is 232199449. The reversal of 232199440 is 44991232.

It is an interprime number because it is at equal distance from previous prime (232199431) and next prime (232199449).

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

It is a junction number, because it is equal to n+sod(n) for n = 232199396 and 232199405.

It is not an unprimeable number, because it can be changed into a prime (232199449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131052 + ... + 132811.

Almost surely, 2^232199440 is an apocalyptic number.

232199440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232199440 is an abundant number, since it is smaller than the sum of its proper divisors (356745008).

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

232199440 is a wasteful number, since it uses less digits than its factorization.

232199440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263887 (or 263881 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 232199440 is about 15238.0917440472. The cubic root of 232199440 is about 614.6393902432.

It can be divided in two parts, 2321 and 99440, that added together give a square (101761 = 319²).

The spelling of 232199440 in words is "two hundred thirty-two million, one hundred ninety-nine thousand, four hundred forty".