40623064 has 64 divisors (see below), whose sum is σ = 86400000. Its totient is φ = 17791488.

The previous prime is 40623061. The next prime is 40623073. The reversal of 40623064 is 46032604.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40623061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204037 + ... + 204235.

It is an arithmetic number, because the mean of its divisors is an integer number (1350000).

Almost surely, 2^40623064 is an apocalyptic number.

It is an amenable number.

40623064 is an abundant number, since it is smaller than the sum of its proper divisors (45776936).

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

40623064 is a wasteful number, since it uses less digits than its factorization.

40623064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40623064 is about 6373.6225178465. The cubic root of 40623064 is about 343.7617558955.

Adding to 40623064 its reverse (46032604), we get a palindrome (86655668).

The spelling of 40623064 in words is "forty million, six hundred twenty-three thousand, sixty-four".