1401331412 has 12 divisors (see below), whose sum is σ = 2640970836. Its totient is φ = 646768320.

The previous prime is 1401331411. The next prime is 1401331423. The reversal of 1401331412 is 2141331041.

It can be written as a sum of positive squares in 2 ways, for example, as 883040656 + 518290756 = 29716^2 + 22766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401331411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13474289 + ... + 13474392.

It is an arithmetic number, because the mean of its divisors is an integer number (220080903).

Almost surely, 2^1401331412 is an apocalyptic number.

It is an amenable number.

1401331412 is a deficient number, since it is larger than the sum of its proper divisors (1239639424).

1401331412 is a wasteful number, since it uses less digits than its factorization.

1401331412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26948698 (or 26948696 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1401331412 is about 37434.3613809559. The cubic root of 1401331412 is about 1119.0434573137.

Adding to 1401331412 its reverse (2141331041), we get a palindrome (3542662453).

The spelling of 1401331412 in words is "one billion, four hundred one million, three hundred thirty-one thousand, four hundred twelve".