240477394193 has 4 divisors (see below), whose sum is σ = 241867437108. Its totient is φ = 239087351280.

The previous prime is 240477394189. The next prime is 240477394291. The reversal of 240477394193 is 391493774042.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 174296230144 + 66181164049 = 417488^2 + 257257^2 .

It is a cyclic number.

It is not a de Polignac number, because 240477394193 - 2² = 240477394189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240477394163) 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, 695021198 + ... + 695021543.

It is an arithmetic number, because the mean of its divisors is an integer number (60466859277).

Almost surely, 2^240477394193 is an apocalyptic number.

It is an amenable number.

240477394193 is a deficient number, since it is larger than the sum of its proper divisors (1390042915).

240477394193 is a wasteful number, since it uses less digits than its factorization.

240477394193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390042914.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 240477394193 in words is "two hundred forty billion, four hundred seventy-seven million, three hundred ninety-four thousand, one hundred ninety-three".