40244130331 has 8 divisors (see below), whose sum is σ = 41996528640. Its totient is φ = 38491953192.

The previous prime is 40244130319. The next prime is 40244130391. The reversal of 40244130331 is 13303144204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40244130331 - 2⁷ = 40244130203 is a prime.

It is a super-2 number, since 2×40244130331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40244130296 and 40244130305.

It is not an unprimeable number, because it can be changed into a prime (40244130391) 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, 394486 + ... + 485908.

It is an arithmetic number, because the mean of its divisors is an integer number (5249566080).

Almost surely, 2^40244130331 is an apocalyptic number.

40244130331 is a deficient number, since it is larger than the sum of its proper divisors (1752398309).

40244130331 is a wasteful number, since it uses less digits than its factorization.

40244130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110585.

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

Adding to 40244130331 its reverse (13303144204), we get a palindrome (53547274535).

The spelling of 40244130331 in words is "forty billion, two hundred forty-four million, one hundred thirty thousand, three hundred thirty-one".