40504652550 has 144 divisors (see below), whose sum is σ = 113694785568. Its totient is φ = 10318809600.

The previous prime is 40504652537. The next prime is 40504652567. The reversal of 40504652550 is 5525640504.

40504652550 is a `hidden beast` number, since 4 + 0 + 50 + 4 + 6 + 52 + 550 = 666.

40504652550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10565434 + ... + 10569266.

It is an arithmetic number, because the mean of its divisors is an integer number (789547122).

Almost surely, 2^40504652550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40504652550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56847392784).

40504652550 is an abundant number, since it is smaller than the sum of its proper divisors (73190133018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40504652550 is a wasteful number, since it uses less digits than its factorization.

40504652550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895 (or 4887 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 40504652550 in words is "forty billion, five hundred four million, six hundred fifty-two thousand, five hundred fifty".