40520134102521 has 8 divisors (see below), whose sum is σ = 54101160253504. Its totient is φ = 26976265343280.

The previous prime is 40520134102439. The next prime is 40520134102531. The reversal of 40520134102521 is 12520143102504.

40520134102521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40520134102521 - 2²⁶ = 40520066993657 is a prime.

It is a super-2 number, since 2×40520134102521² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40520134102531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9289345390 + ... + 9289349751.

It is an arithmetic number, because the mean of its divisors is an integer number (6762645031688).

Almost surely, 2^{40520134102521} is an apocalyptic number.

It is an amenable number.

40520134102521 is a deficient number, since it is larger than the sum of its proper divisors (13581026150983).

40520134102521 is a wasteful number, since it uses less digits than its factorization.

40520134102521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18578695871.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 40520134102521 in words is "forty trillion, five hundred twenty billion, one hundred thirty-four million, one hundred two thousand, five hundred twenty-one".