240233881 has 2 divisors, whose sum is σ = 240233882. Its totient is φ = 240233880.

The previous prime is 240233869. The next prime is 240233969. The reversal of 240233881 is 188332042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143880025 + 96353856 = 11995^2 + 9816^2 .

It is a cyclic number.

It is not a de Polignac number, because 240233881 - 2⁷ = 240233753 is a prime.

It is a super-2 number, since 2×240233881² = 115424635160644322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240033881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120116940 + 120116941.

It is an arithmetic number, because the mean of its divisors is an integer number (120116941).

Almost surely, 2^240233881 is an apocalyptic number.

It is an amenable number.

240233881 is a deficient number, since it is larger than the sum of its proper divisors (1).

240233881 is an equidigital number, since it uses as much as digits as its factorization.

240233881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 240233881 is about 15499.4800235363. The cubic root of 240233881 is about 621.6483030543.

The spelling of 240233881 in words is "two hundred forty million, two hundred thirty-three thousand, eight hundred eighty-one".