40002521323603 has 8 divisors (see below), whose sum is σ = 42108053331600. Its totient is φ = 37897002930528.

The previous prime is 40002521323577. The next prime is 40002521323613. The reversal of 40002521323603 is 30632312520004.

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

It is a cyclic number.

It is not a de Polignac number, because 40002521323603 - 2²⁵ = 40002487769171 is a prime.

It is a super-2 number, since 2×40002521323603² (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 (40002521323613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2929353 + ... + 9412021.

It is an arithmetic number, because the mean of its divisors is an integer number (5263506666450).

Almost surely, 2^{40002521323603} is an apocalyptic number.

40002521323603 is a deficient number, since it is larger than the sum of its proper divisors (2105532007997).

40002521323603 is a wasteful number, since it uses less digits than its factorization.

40002521323603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807461.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 40002521323603 its reverse (30632312520004), we get a palindrome (70634833843607).

The spelling of 40002521323603 in words is "forty trillion, two billion, five hundred twenty-one million, three hundred twenty-three thousand, six hundred three".