1342440442431 has 144 divisors (see below), whose sum is σ = 2283109920000. Its totient is φ = 757833753600.

The previous prime is 1342440442423. The next prime is 1342440442471.

1342440442431 is a `hidden beast` number, since 1 + 3 + 4 + 2 + 4 + 404 + 4 + 243 + 1 = 666.

1342440442431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1342440442431 - 2³ = 1342440442423 is a prime.

It is a super-2 number, since 2×1342440442431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342440442471) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 341672875 + ... + 341676803.

It is an arithmetic number, because the mean of its divisors is an integer number (15854930000).

Almost surely, 2^{1342440442431} is an apocalyptic number.

1342440442431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1342440442431 is a deficient number, since it is larger than the sum of its proper divisors (940669477569).

1342440442431 is a wasteful number, since it uses less digits than its factorization.

1342440442431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366 (or 4352 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

It can be divided in two parts, 1342440 and 442431, that added together give a palindrome (1784871).

The spelling of 1342440442431 in words is "one trillion, three hundred forty-two billion, four hundred forty million, four hundred forty-two thousand, four hundred thirty-one".