240727019961 has 4 divisors (see below), whose sum is σ = 320969359952. Its totient is φ = 160484679972.

The previous prime is 240727019959. The next prime is 240727020073. The reversal of 240727019961 is 169910727042.

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 240727019961 - 2¹ = 240727019959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240727019961.

It is not an unprimeable number, because it can be changed into a prime (240727019461) 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, 40121169991 + ... + 40121169996.

It is an arithmetic number, because the mean of its divisors is an integer number (80242339988).

Almost surely, 2^240727019961 is an apocalyptic number.

It is an amenable number.

240727019961 is a deficient number, since it is larger than the sum of its proper divisors (80242339991).

240727019961 is an equidigital number, since it uses as much as digits as its factorization.

240727019961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80242339990.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 240727019961 in words is "two hundred forty billion, seven hundred twenty-seven million, nineteen thousand, nine hundred sixty-one".