1340027400 has 48 divisors (see below), whose sum is σ = 4154086800. Its totient is φ = 357340480.

The previous prime is 1340027399. The next prime is 1340027417. The reversal of 1340027400 is 47200431.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1116090 + ... + 1117289.

It is an arithmetic number, because the mean of its divisors is an integer number (86543475).

Almost surely, 2^1340027400 is an apocalyptic number.

1340027400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340027400 is an abundant number, since it is smaller than the sum of its proper divisors (2814059400).

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

1340027400 is a wasteful number, since it uses less digits than its factorization.

1340027400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233398 (or 2233389 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1340027400 is about 36606.3846890129. The cubic root of 1340027400 is about 1102.4812857720.

Adding to 1340027400 its reverse (47200431), we get a palindrome (1387227831).

The spelling of 1340027400 in words is "one billion, three hundred forty million, twenty-seven thousand, four hundred".