40244660 has 24 divisors (see below), whose sum is σ = 88962720. Its totient is φ = 15250464.

The previous prime is 40244639. The next prime is 40244669. The reversal of 40244660 is 6644204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52574 + ... + 53333.

It is an arithmetic number, because the mean of its divisors is an integer number (3706780).

Almost surely, 2^40244660 is an apocalyptic number.

It is an amenable number.

40244660 is an abundant number, since it is smaller than the sum of its proper divisors (48718060).

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

40244660 is a wasteful number, since it uses less digits than its factorization.

40244660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105935 (or 105933 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40244660 is about 6343.8679053082. The cubic root of 40244660 is about 342.6910437186.

Adding to 40244660 its reverse (6644204), we get a palindrome (46888864).

It can be divided in two parts, 40244 and 660, that added together give a palindrome (40904).

The spelling of 40244660 in words is "forty million, two hundred forty-four thousand, six hundred sixty".