2440401807031 has 2 divisors, whose sum is σ = 2440401807032. Its totient is φ = 2440401807030.

The previous prime is 2440401807017. The next prime is 2440401807059. The reversal of 2440401807031 is 1307081040442.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2440401807031 - 2¹³ = 2440401798839 is a prime.

It is a super-2 number, since 2×2440401807031² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440401807091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220200903515 + 1220200903516.

It is an arithmetic number, because the mean of its divisors is an integer number (1220200903516).

Almost surely, 2^{2440401807031} is an apocalyptic number.

2440401807031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440401807031 is an equidigital number, since it uses as much as digits as its factorization.

2440401807031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 2440401807031 its reverse (1307081040442), we get a palindrome (3747482847473).

The spelling of 2440401807031 in words is "two trillion, four hundred forty billion, four hundred one million, eight hundred seven thousand, thirty-one".