1401144342 has 32 divisors (see below), whose sum is σ = 3099419232. Its totient is φ = 419468544.

The previous prime is 1401144313. The next prime is 1401144343. The reversal of 1401144342 is 2434411041.

It is a super-2 number, since 2×1401144342² = 3926410934237225928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401144343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239863 + ... + 245634.

It is an arithmetic number, because the mean of its divisors is an integer number (96856851).

Almost surely, 2^1401144342 is an apocalyptic number.

1401144342 is an abundant number, since it is smaller than the sum of its proper divisors (1698274890).

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

1401144342 is a wasteful number, since it uses less digits than its factorization.

1401144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485552.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1401144342 is about 37431.8626573672. The cubic root of 1401144342 is about 1118.9936597251.

Adding to 1401144342 its reverse (2434411041), we get a palindrome (3835555383).

The spelling of 1401144342 in words is "one billion, four hundred one million, one hundred forty-four thousand, three hundred forty-two".