40521650562505 has 16 divisors (see below), whose sum is σ = 55595075829120. Its totient is φ = 27775011428352.

The previous prime is 40521650562461. The next prime is 40521650562541. The reversal of 40521650562505 is 50526505612504.

It is a cyclic number.

It is not a de Polignac number, because 40521650562505 - 2⁷ = 40521650562377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234563320 + ... + 234736009.

It is an arithmetic number, because the mean of its divisors is an integer number (3474692239320).

Almost surely, 2^{40521650562505} is an apocalyptic number.

It is an amenable number.

40521650562505 is a deficient number, since it is larger than the sum of its proper divisors (15073425266615).

40521650562505 is a wasteful number, since it uses less digits than its factorization.

40521650562505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469301808.

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 40521650562505 in words is "forty trillion, five hundred twenty-one billion, six hundred fifty million, five hundred sixty-two thousand, five hundred five".