240740735387 has 8 divisors (see below), whose sum is σ = 244344035520. Its totient is φ = 237157398720.

The previous prime is 240740735377. The next prime is 240740735407. The reversal of 240740735387 is 783537047042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240740735387 - 2⁴ = 240740735371 is a prime.

It is a super-2 number, since 2×240740735387² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240740735327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4966568 + ... + 5014805.

It is an arithmetic number, because the mean of its divisors is an integer number (30543004440).

Almost surely, 2^240740735387 is an apocalyptic number.

240740735387 is a deficient number, since it is larger than the sum of its proper divisors (3603300133).

240740735387 is an equidigital number, since it uses as much as digits as its factorization.

240740735387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9981733.

The product of its (nonzero) digits is 3951360, while the sum is 50.

The spelling of 240740735387 in words is "two hundred forty billion, seven hundred forty million, seven hundred thirty-five thousand, three hundred eighty-seven".