240034437157 has 4 divisors (see below), whose sum is σ = 240057996300. Its totient is φ = 240010878016.

The previous prime is 240034437131. The next prime is 240034437221. The reversal of 240034437157 is 751734430042.

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 205681297441 + 34353139716 = 453521^2 + 185346^2 .

It is a cyclic number.

It is not a de Polignac number, because 240034437157 - 2¹⁹ = 240033912869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240034437127) 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, 11764282 + ... + 11784667.

It is an arithmetic number, because the mean of its divisors is an integer number (60014499075).

Almost surely, 2^240034437157 is an apocalyptic number.

It is an amenable number.

240034437157 is a deficient number, since it is larger than the sum of its proper divisors (23559143).

240034437157 is a wasteful number, since it uses less digits than its factorization.

240034437157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23559142.

The product of its (nonzero) digits is 282240, while the sum is 40.

Adding to 240034437157 its reverse (751734430042), we get a palindrome (991768867199).

The spelling of 240034437157 in words is "two hundred forty billion, thirty-four million, four hundred thirty-seven thousand, one hundred fifty-seven".