1401042442 has 8 divisors (see below), whose sum is σ = 2101727232. Its totient is φ = 700466700.

The previous prime is 1401042421. The next prime is 1401042443. The reversal of 1401042442 is 2442401041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1401042443) 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, 24567 + ... + 58357.

It is an arithmetic number, because the mean of its divisors is an integer number (262715904).

Almost surely, 2^1401042442 is an apocalyptic number.

1401042442 is a deficient number, since it is larger than the sum of its proper divisors (700684790).

1401042442 is a wasteful number, since it uses less digits than its factorization.

1401042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54524.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1401042442 is about 37430.5014927666. The cubic root of 1401042442 is about 1118.9665323229.

Adding to 1401042442 its reverse (2442401041), we get a palindrome (3843443483).

The spelling of 1401042442 in words is "one billion, four hundred one million, forty-two thousand, four hundred forty-two".