40534556205 has 96 divisors (see below), whose sum is σ = 80645552640. Its totient is φ = 17186307840.

The previous prime is 40534556197. The next prime is 40534556273. The reversal of 40534556205 is 50265543504.

It is not a de Polignac number, because 40534556205 - 2³ = 40534556197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 491562 + ... + 568068.

It is an arithmetic number, because the mean of its divisors is an integer number (840057840).

Almost surely, 2^40534556205 is an apocalyptic number.

It is an amenable number.

40534556205 is a deficient number, since it is larger than the sum of its proper divisors (40110996435).

40534556205 is a wasteful number, since it uses less digits than its factorization.

40534556205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76571 (or 76558 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 40534556205 in words is "forty billion, five hundred thirty-four million, five hundred fifty-six thousand, two hundred five".