1340401414 has 32 divisors (see below), whose sum is σ = 2325428352. Its totient is φ = 572688000.

The previous prime is 1340401411. The next prime is 1340401421. The reversal of 1340401414 is 4141040431.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340401411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361309 + ... + 364999.

It is an arithmetic number, because the mean of its divisors is an integer number (72669636).

Almost surely, 2^1340401414 is an apocalyptic number.

1340401414 is a deficient number, since it is larger than the sum of its proper divisors (985026938).

1340401414 is a wasteful number, since it uses less digits than its factorization.

1340401414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1340401414 is about 36611.4929223051. The cubic root of 1340401414 is about 1102.5838471272.

Adding to 1340401414 its reverse (4141040431), we get a palindrome (5481441845).

The spelling of 1340401414 in words is "one billion, three hundred forty million, four hundred one thousand, four hundred fourteen".