1342401142440 has 32 divisors (see below), whose sum is σ = 4027203427680. Its totient is φ = 357973637952.

The previous prime is 1342401142393. The next prime is 1342401142469. The reversal of 1342401142440 is 442411042431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1342401142398 and 1342401142407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5593337974 + ... + 5593338213.

It is an arithmetic number, because the mean of its divisors is an integer number (125850107115).

Almost surely, 2^{1342401142440} is an apocalyptic number.

1342401142440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342401142440 is an abundant number, since it is smaller than the sum of its proper divisors (2684802285240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1342401142440 is a wasteful number, since it uses less digits than its factorization.

1342401142440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186676201 (or 11186676197 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1342401142440 its reverse (442411042431), we get a palindrome (1784812184871).

It can be divided in two parts, 1342401 and 142440, that added together give a palindrome (1484841).

The spelling of 1342401142440 in words is "one trillion, three hundred forty-two billion, four hundred one million, one hundred forty-two thousand, four hundred forty".