240372019 has 2 divisors, whose sum is σ = 240372020. Its totient is φ = 240372018.

The previous prime is 240371977. The next prime is 240372029. The reversal of 240372019 is 910273042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240372019 is a prime.

It is a super-2 number, since 2×240372019² = 115557415036272722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240372029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120186009 + 120186010.

It is an arithmetic number, because the mean of its divisors is an integer number (120186010).

Almost surely, 2^240372019 is an apocalyptic number.

240372019 is a deficient number, since it is larger than the sum of its proper divisors (1).

240372019 is an equidigital number, since it uses as much as digits as its factorization.

240372019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 240372019 is about 15503.9355971315. The cubic root of 240372019 is about 621.7674325164.

The spelling of 240372019 in words is "two hundred forty million, three hundred seventy-two thousand, nineteen".