1342442040 has 64 divisors (see below), whose sum is σ = 4030508160. Its totient is φ = 357701760.

The previous prime is 1342442033. The next prime is 1342442051. The reversal of 1342442040 is 402442431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1342442040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180067 + ... + 187373.

It is an arithmetic number, because the mean of its divisors is an integer number (62976690).

Almost surely, 2^1342442040 is an apocalyptic number.

1342442040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342442040 is an abundant number, since it is smaller than the sum of its proper divisors (2688066120).

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

1342442040 is a wasteful number, since it uses less digits than its factorization.

1342442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852 (or 8848 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1342442040 is about 36639.3509767845. The cubic root of 1342442040 is about 1103.1430876719.

Adding to 1342442040 its reverse (402442431), we get a palindrome (1744884471).

The spelling of 1342442040 in words is "one billion, three hundred forty-two million, four hundred forty-two thousand, forty".