42402201401 has 24 divisors (see below), whose sum is σ = 50689308384. Its totient is φ = 35346749760.

The previous prime is 42402201389. The next prime is 42402201403. The reversal of 42402201401 is 10410220424.

It is a de Polignac number, because none of the positive numbers 2^k-42402201401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42402201403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447746 + ... + 534116.

It is an arithmetic number, because the mean of its divisors is an integer number (2112054516).

Almost surely, 2^42402201401 is an apocalyptic number.

It is an amenable number.

42402201401 is a deficient number, since it is larger than the sum of its proper divisors (8287106983).

42402201401 is a wasteful number, since it uses less digits than its factorization.

42402201401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86661 (or 86654 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 42402201401 its reverse (10410220424), we get a palindrome (52812421825).

The spelling of 42402201401 in words is "forty-two billion, four hundred two million, two hundred one thousand, four hundred one".