1401310242 has 12 divisors (see below), whose sum is σ = 3036172230. Its totient is φ = 467103408.

The previous prime is 1401310241. The next prime is 1401310277. The reversal of 1401310242 is 2420131041.

It can be written as a sum of positive squares in only one way, i.e., 1055015361 + 346294881 = 32481^2 + 18609^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 77850569 = 1401310242 / (1 + 4 + 0 + 1 + 3 + 1 + 0 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1401310241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38925267 + ... + 38925302.

Almost surely, 2^1401310242 is an apocalyptic number.

1401310242 is an abundant number, since it is smaller than the sum of its proper divisors (1634861988).

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

1401310242 is a wasteful number, since it uses less digits than its factorization.

1401310242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77850577 (or 77850574 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1401310242 is about 37434.0786182858. The cubic root of 1401310242 is about 1119.0378221325.

Adding to 1401310242 its reverse (2420131041), we get a palindrome (3821441283).

The spelling of 1401310242 in words is "one billion, four hundred one million, three hundred ten thousand, two hundred forty-two".