40551561301535 has 16 divisors (see below), whose sum is σ = 49488757287552. Its totient is φ = 31891965520800.

The previous prime is 40551561301499. The next prime is 40551561301633. The reversal of 40551561301535 is 53510316515504.

It is a de Polignac number, because none of the positive numbers 2^k-40551561301535 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 15 ways as a sum of consecutive naturals, for example, 123103781 + ... + 123432750.

It is an arithmetic number, because the mean of its divisors is an integer number (3093047330472).

Almost surely, 2^{40551561301535} is an apocalyptic number.

40551561301535 is a deficient number, since it is larger than the sum of its proper divisors (8937195986017).

40551561301535 is a wasteful number, since it uses less digits than its factorization.

40551561301535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246537094.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 40551561301535 in words is "forty trillion, five hundred fifty-one billion, five hundred sixty-one million, three hundred one thousand, five hundred thirty-five".