40480664 has 48 divisors (see below), whose sum is σ = 90712080. Its totient is φ = 16873920.

The previous prime is 40480651. The next prime is 40480679. The reversal of 40480664 is 46608404.

It is a self number, because there is not a number n which added to its sum of digits gives 40480664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13109 + ... + 15899.

It is an arithmetic number, because the mean of its divisors is an integer number (1889835).

Almost surely, 2^40480664 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 40480664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45356040).

40480664 is an abundant number, since it is smaller than the sum of its proper divisors (50231416).

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

40480664 is a wasteful number, since it uses less digits than its factorization.

40480664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848 (or 2837 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 40480664 is about 6362.4416696737. The cubic root of 40480664 is about 343.3596117338.

The spelling of 40480664 in words is "forty million, four hundred eighty thousand, six hundred sixty-four".