1401341340 has 96 divisors (see below), whose sum is σ = 4492131840. Its totient is φ = 319746816.

The previous prime is 1401341339. The next prime is 1401341341. The reversal of 1401341340 is 431431041.

It is an interprime number because it is at equal distance from previous prime (1401341339) and next prime (1401341341).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401341341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267466 + ... + 272654.

It is an arithmetic number, because the mean of its divisors is an integer number (46793040).

Almost surely, 2^1401341340 is an apocalyptic number.

1401341340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401341340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2246065920).

1401341340 is an abundant number, since it is smaller than the sum of its proper divisors (3090790500).

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

1401341340 is a wasteful number, since it uses less digits than its factorization.

1401341340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851 (or 5849 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1401341340 is about 37434.4939861620. The cubic root of 1401341340 is about 1119.0460999998.

Adding to 1401341340 its reverse (431431041), we get a palindrome (1832772381).

The spelling of 1401341340 in words is "one billion, four hundred one million, three hundred forty-one thousand, three hundred forty".