40405500052 has 12 divisors (see below), whose sum is σ = 70718070976. Its totient is φ = 20200336920.

The previous prime is 40405500029. The next prime is 40405500101. The reversal of 40405500052 is 25000550404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565338 + ... + 632785.

Almost surely, 2^40405500052 is an apocalyptic number.

It is an amenable number.

40405500052 is a deficient number, since it is larger than the sum of its proper divisors (30312570924).

40405500052 is a wasteful number, since it uses less digits than its factorization.

40405500052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206558 (or 1206556 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The spelling of 40405500052 in words is "forty billion, four hundred five million, five hundred thousand, fifty-two".