40313551421525 has 12 divisors (see below), whose sum is σ = 51339852514212. Its totient is φ = 31379196781440.

The previous prime is 40313551421501. The next prime is 40313551421531. The reversal of 40313551421525 is 52512415531304.

It can be written as a sum of positive squares in 6 ways, for example, as 299412518596 + 40014138902929 = 547186^2 + 6325673^2 .

It is not a de Polignac number, because 40313551421525 - 2¹⁰ = 40313551420501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21791107952 + ... + 21791109801.

It is an arithmetic number, because the mean of its divisors is an integer number (4278321042851).

Almost surely, 2^{40313551421525} is an apocalyptic number.

It is an amenable number.

40313551421525 is a deficient number, since it is larger than the sum of its proper divisors (11026301092687).

40313551421525 is a wasteful number, since it uses less digits than its factorization.

40313551421525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43582217800 (or 43582217795 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 40313551421525 its reverse (52512415531304), we get a palindrome (92825966952829).

The spelling of 40313551421525 in words is "forty trillion, three hundred thirteen billion, five hundred fifty-one million, four hundred twenty-one thousand, five hundred twenty-five".