40010546646 has 160 divisors (see below), whose sum is σ = 105469005312. Its totient is φ = 11100862080.

The previous prime is 40010546633. The next prime is 40010546651. The reversal of 40010546646 is 64664501004.

40010546646 is a `hidden beast` number, since 4 + 0 + 0 + 1 + 0 + 5 + 4 + 6 + 646 = 666.

40010546646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40010546646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5390730 + ... + 5398146.

Almost surely, 2^40010546646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40010546646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52734502656).

40010546646 is an abundant number, since it is smaller than the sum of its proper divisors (65458458666).

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

40010546646 is a wasteful number, since it uses less digits than its factorization.

40010546646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576 (or 7567 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 40010546646 in words is "forty billion, ten million, five hundred forty-six thousand, six hundred forty-six".