40564152 has 80 divisors (see below), whose sum is σ = 115651800. Its totient is φ = 13279680.

The previous prime is 40564103. The next prime is 40564163. The reversal of 40564152 is 25146504.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37702 + ... + 38762.

Almost surely, 2^40564152 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 40564152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57825900).

40564152 is an abundant number, since it is smaller than the sum of its proper divisors (75087648).

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

40564152 is a wasteful number, since it uses less digits than its factorization.

40564152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40564152 is about 6368.9992934526. Note that the first 3 decimals coincide. The cubic root of 40564152 is about 343.5954998478.

The spelling of 40564152 in words is "forty million, five hundred sixty-four thousand, one hundred fifty-two".