40520121235301 has 4 divisors (see below), whose sum is σ = 42903657778572. Its totient is φ = 38136584692032.

The previous prime is 40520121235283. The next prime is 40520121235423. The reversal of 40520121235301 is 10353212102504.

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 12426400512100 + 28093720723201 = 3525110^2 + 5300351^2 .

It is not a de Polignac number, because 40520121235301 - 2¹⁰ = 40520121234277 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 (40520121235901) 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, 1191768271610 + ... + 1191768271643.

It is an arithmetic number, because the mean of its divisors is an integer number (10725914444643).

Almost surely, 2^{40520121235301} is an apocalyptic number.

It is an amenable number.

40520121235301 is a deficient number, since it is larger than the sum of its proper divisors (2383536543271).

40520121235301 is a wasteful number, since it uses less digits than its factorization.

40520121235301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383536543270.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 40520121235301 its reverse (10353212102504), we get a palindrome (50873333337805).

The spelling of 40520121235301 in words is "forty trillion, five hundred twenty billion, one hundred twenty-one million, two hundred thirty-five thousand, three hundred one".