40534464 has 112 divisors (see below), whose sum is σ = 114409728. Its totient is φ = 12638208.

The previous prime is 40534451. The next prime is 40534469. The reversal of 40534464 is 46443504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40534469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295804 + ... + 295940.

Almost surely, 2^40534464 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 40534464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57204864).

40534464 is an abundant number, since it is smaller than the sum of its proper divisors (73875264).

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

40534464 is a wasteful number, since it uses less digits than its factorization.

40534464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 40534464 is about 6366.6682024431. The cubic root of 40534464 is about 343.5116560904.

Adding to 40534464 its reverse (46443504), we get a palindrome (86977968).

The spelling of 40534464 in words is "forty million, five hundred thirty-four thousand, four hundred sixty-four".