40734816 has 48 divisors (see below), whose sum is σ = 107489088. Its totient is φ = 13507200.

The previous prime is 40734809. The next prime is 40734829. The reversal of 40734816 is 61843704.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19251 + ... + 21261.

It is an arithmetic number, because the mean of its divisors is an integer number (2239356).

Almost surely, 2^40734816 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 40734816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53744544).

40734816 is an abundant number, since it is smaller than the sum of its proper divisors (66754272).

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

40734816 is a wasteful number, since it uses less digits than its factorization.

40734816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 40734816 is about 6382.3832539264. The cubic root of 40734816 is about 344.0766910318.

The spelling of 40734816 in words is "forty million, seven hundred thirty-four thousand, eight hundred sixteen".