40524115243 has 4 divisors (see below), whose sum is σ = 40902845400. Its totient is φ = 40145385088.

The previous prime is 40524115241. The next prime is 40524115259. The reversal of 40524115243 is 34251142504.

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 40524115243 - 2¹ = 40524115241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40524115241) 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, 189364918 + ... + 189365131.

It is an arithmetic number, because the mean of its divisors is an integer number (10225711350).

Almost surely, 2^40524115243 is an apocalyptic number.

40524115243 is a deficient number, since it is larger than the sum of its proper divisors (378730157).

40524115243 is a wasteful number, since it uses less digits than its factorization.

40524115243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378730156.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 40524115243 its reverse (34251142504), we get a palindrome (74775257747).

The spelling of 40524115243 in words is "forty billion, five hundred twenty-four million, one hundred fifteen thousand, two hundred forty-three".