40452521513555 has 8 divisors (see below), whose sum is σ = 48570717227712. Its totient is φ = 32343556269888.

The previous prime is 40452521513507. The next prime is 40452521513581. The reversal of 40452521513555 is 55531512525404.

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 40452521513555 - 2⁴⁰ = 39353009885779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2307607979 + ... + 2307625508.

It is an arithmetic number, because the mean of its divisors is an integer number (6071339653464).

Almost surely, 2^{40452521513555} is an apocalyptic number.

40452521513555 is a deficient number, since it is larger than the sum of its proper divisors (8118195714157).

40452521513555 is a wasteful number, since it uses less digits than its factorization.

40452521513555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615235245.

The product of its (nonzero) digits is 3000000, while the sum is 47.

The spelling of 40452521513555 in words is "forty trillion, four hundred fifty-two billion, five hundred twenty-one million, five hundred thirteen thousand, five hundred fifty-five".