40005064 has 16 divisors (see below), whose sum is σ = 81828720. Its totient is φ = 18184080.

The previous prime is 40005059. The next prime is 40005067. The reversal of 40005064 is 46050004.

It is not an unprimeable number, because it can be changed into a prime (40005067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227214 + ... + 227389.

It is an arithmetic number, because the mean of its divisors is an integer number (5114295).

Almost surely, 2^40005064 is an apocalyptic number.

40005064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40005064 is an abundant number, since it is smaller than the sum of its proper divisors (41823656).

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

40005064 is a wasteful number, since it uses less digits than its factorization.

40005064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454620 (or 454616 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40005064 is about 6324.9556520184. The cubic root of 40005064 is about 342.0096209233.

Adding to 40005064 its reverse (46050004), we get a palindrome (86055068).

The spelling of 40005064 in words is "forty million, five thousand, sixty-four".