240787093947 has 4 divisors (see below), whose sum is σ = 321049458600. Its totient is φ = 160524729296.

The previous prime is 240787093913. The next prime is 240787093957. The reversal of 240787093947 is 749390787042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240787093947 - 2¹⁹ = 240786569659 is a prime.

It is a super-2 number, since 2×240787093947² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240787093957) 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, 40131182322 + ... + 40131182327.

It is an arithmetic number, because the mean of its divisors is an integer number (80262364650).

Almost surely, 2^240787093947 is an apocalyptic number.

240787093947 is a deficient number, since it is larger than the sum of its proper divisors (80262364653).

240787093947 is an equidigital number, since it uses as much as digits as its factorization.

240787093947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80262364652.

The product of its (nonzero) digits is 21337344, while the sum is 60.

The spelling of 240787093947 in words is "two hundred forty billion, seven hundred eighty-seven million, ninety-three thousand, nine hundred forty-seven".