1401413142242 has 4 divisors (see below), whose sum is σ = 2102119713366. Its totient is φ = 700706571120.

The previous prime is 1401413142197. The next prime is 1401413142251. The reversal of 1401413142242 is 2422413141041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1344860021761 + 56553120481 = 1159681^2 + 237809^2 .

It is a super-2 number, since 2×1401413142242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350353285559 + ... + 350353285562.

Almost surely, 2^{1401413142242} is an apocalyptic number.

1401413142242 is a deficient number, since it is larger than the sum of its proper divisors (700706571124).

1401413142242 is an equidigital number, since it uses as much as digits as its factorization.

1401413142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700706571123.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1401413142242 its reverse (2422413141041), we get a palindrome (3823826283283).

The spelling of 1401413142242 in words is "one trillion, four hundred one billion, four hundred thirteen million, one hundred forty-two thousand, two hundred forty-two".