40282564 has 12 divisors (see below), whose sum is σ = 80565184. Its totient is φ = 17263944.

The previous prime is 40282559. The next prime is 40282573. The reversal of 40282564 is 46528204.

40282564 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719304 + ... + 719359.

Almost surely, 2^40282564 is an apocalyptic number.

It is an amenable number.

40282564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40282564 is a wasteful number, since it uses less digits than its factorization.

40282564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438674 (or 1438672 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 40282564 is about 6346.8546540787. The cubic root of 40282564 is about 342.7985965839.

The spelling of 40282564 in words is "forty million, two hundred eighty-two thousand, five hundred sixty-four".