1342421400 has 48 divisors (see below), whose sum is σ = 4161508200. Its totient is φ = 357978880.

The previous prime is 1342421389. The next prime is 1342421407. The reversal of 1342421400 is 41242431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342421407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1118085 + ... + 1119284.

Almost surely, 2^1342421400 is an apocalyptic number.

1342421400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342421400 is an abundant number, since it is smaller than the sum of its proper divisors (2819086800).

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

1342421400 is a wasteful number, since it uses less digits than its factorization.

1342421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237388 (or 2237379 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1342421400 is about 36639.0693113239. The cubic root of 1342421400 is about 1103.1374340473.

Adding to 1342421400 its reverse (41242431), we get a palindrome (1383663831).

The spelling of 1342421400 in words is "one billion, three hundred forty-two million, four hundred twenty-one thousand, four hundred".