40261064 has 16 divisors (see below), whose sum is σ = 77925120. Its totient is φ = 19481040.

The previous prime is 40261051. The next prime is 40261073. The reversal of 40261064 is 46016204.

It is a happy 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, 80924 + ... + 81419.

It is an arithmetic number, because the mean of its divisors is an integer number (4870320).

Almost surely, 2^40261064 is an apocalyptic number.

It is an amenable number.

40261064 is a deficient number, since it is larger than the sum of its proper divisors (37664056).

40261064 is a wasteful number, since it uses less digits than its factorization.

40261064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162380 (or 162376 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40261064 is about 6345.1606756646. The cubic root of 40261064 is about 342.7375984687.

Adding to 40261064 its reverse (46016204), we get a palindrome (86277268).

The spelling of 40261064 in words is "forty million, two hundred sixty-one thousand, sixty-four".