40534476660 has 288 divisors, whose sum is σ = 132176378880. Its totient is φ = 10019303424.

The previous prime is 40534476659. The next prime is 40534476737. The reversal of 40534476660 is 6667443504.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 66778077 + ... + 66778683.

It is an arithmetic number, because the mean of its divisors is an integer number (458945760).

Almost surely, 2^40534476660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40534476660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66088189440).

40534476660 is an abundant number, since it is smaller than the sum of its proper divisors (91641902220).

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

40534476660 is a wasteful number, since it uses less digits than its factorization.

40534476660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 40534476660 in words is "forty billion, five hundred thirty-four million, four hundred seventy-six thousand, six hundred sixty".