40040100331 has 8 divisors (see below), whose sum is σ = 49920125184. Its totient is φ = 31200078120.

The previous prime is 40040100329. The next prime is 40040100377. The reversal of 40040100331 is 13300104004.

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 40040100331 - 2¹ = 40040100329 is a prime.

It is a super-2 number, since 2×40040100331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40040100131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260000575 + ... + 260000728.

It is an arithmetic number, because the mean of its divisors is an integer number (6240015648).

Almost surely, 2^40040100331 is an apocalyptic number.

40040100331 is a deficient number, since it is larger than the sum of its proper divisors (9880024853).

40040100331 is a wasteful number, since it uses less digits than its factorization.

40040100331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520001321.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40040100331 its reverse (13300104004), we get a palindrome (53340204335).

The spelling of 40040100331 in words is "forty billion, forty million, one hundred thousand, three hundred thirty-one".