40484864 has 60 divisors (see below), whose sum is σ = 92796144. Its totient is φ = 17301504.

The previous prime is 40484863. The next prime is 40484897. The reversal of 40484864 is 46848404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40484861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114512 + ... + 114864.

Almost surely, 2^40484864 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 40484864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46398072).

40484864 is an abundant number, since it is smaller than the sum of its proper divisors (52311280).

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

40484864 is an frugal number, since it uses more digits than its factorization.

40484864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

The square root of 40484864 is about 6362.7717230779. The cubic root of 40484864 is about 343.3714862137.

The spelling of 40484864 in words is "forty million, four hundred eighty-four thousand, eight hundred sixty-four".