240109437 has 4 divisors (see below), whose sum is σ = 320145920. Its totient is φ = 160072956.

The previous prime is 240109399. The next prime is 240109439. The reversal of 240109437 is 734901042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 240109437 - 2¹⁴ = 240093053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240109439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40018237 + ... + 40018242.

It is an arithmetic number, because the mean of its divisors is an integer number (80036480).

Almost surely, 2^240109437 is an apocalyptic number.

It is an amenable number.

240109437 is a deficient number, since it is larger than the sum of its proper divisors (80036483).

240109437 is an equidigital number, since it uses as much as digits as its factorization.

240109437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80036482.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 240109437 is about 15495.4650462643. The cubic root of 240109437 is about 621.5409441161.

The spelling of 240109437 in words is "two hundred forty million, one hundred nine thousand, four hundred thirty-seven".