40244345632 has 24 divisors (see below), whose sum is σ = 79409934576. Its totient is φ = 20076743232.

The previous prime is 40244345623. The next prime is 40244345639. The reversal of 40244345632 is 23654344204.

It is a junction number, because it is equal to n+sod(n) for n = 40244345591 and 40244345600.

It is not an unprimeable number, because it can be changed into a prime (40244345639) 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, 1405278 + ... + 1433629.

It is an arithmetic number, because the mean of its divisors is an integer number (3308747274).

Almost surely, 2^40244345632 is an apocalyptic number.

It is an amenable number.

40244345632 is a deficient number, since it is larger than the sum of its proper divisors (39165588944).

40244345632 is a wasteful number, since it uses less digits than its factorization.

40244345632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839360 (or 2839352 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 40244345632 its reverse (23654344204), we get a palindrome (63898689836).

The spelling of 40244345632 in words is "forty billion, two hundred forty-four million, three hundred forty-five thousand, six hundred thirty-two".