40102504103293 has 4 divisors (see below), whose sum is σ = 40102899159420. Its totient is φ = 40102109047168.

The previous prime is 40102504103239. The next prime is 40102504103327. The reversal of 40102504103293 is 39230140520104.

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 31856113150884 + 8246390952409 = 5644122^2 + 2871653^2 .

It is a cyclic number.

It is not a de Polignac number, because 40102504103293 - 2⁴¹ = 37903480847741 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 (40102504103393) 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, 197375758 + ... + 197578831.

It is an arithmetic number, because the mean of its divisors is an integer number (10025724789855).

Almost surely, 2^{40102504103293} is an apocalyptic number.

It is an amenable number.

40102504103293 is a deficient number, since it is larger than the sum of its proper divisors (395056127).

40102504103293 is a wasteful number, since it uses less digits than its factorization.

40102504103293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395056126.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 40102504103293 its reverse (39230140520104), we get a palindrome (79332644623397).

The spelling of 40102504103293 in words is "forty trillion, one hundred two billion, five hundred four million, one hundred three thousand, two hundred ninety-three".