40888564 has 6 divisors (see below), whose sum is σ = 71554994. Its totient is φ = 20444280.

The previous prime is 40888531. The next prime is 40888567. The reversal of 40888564 is 46588804.

It can be written as a sum of positive squares in only one way, i.e., 38192400 + 2696164 = 6180^2 + 1642^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40888564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40888567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111067 + ... + 5111074.

Almost surely, 2^40888564 is an apocalyptic number.

It is an amenable number.

40888564 is a deficient number, since it is larger than the sum of its proper divisors (30666430).

40888564 is a wasteful number, since it uses less digits than its factorization.

40888564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222145 (or 10222143 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 40888564 is about 6394.4166270271. The cubic root of 40888564 is about 344.5090377031.

The spelling of 40888564 in words is "forty million, eight hundred eighty-eight thousand, five hundred sixty-four".