401240131442 has 8 divisors (see below), whose sum is σ = 601871094000. Its totient is φ = 200616433444.

The previous prime is 401240131427. The next prime is 401240131541. The reversal of 401240131442 is 244131042104.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675892 + ... + 1900287.

It is an arithmetic number, because the mean of its divisors is an integer number (75233886750).

Almost surely, 2^401240131442 is an apocalyptic number.

401240131442 is a deficient number, since it is larger than the sum of its proper divisors (200630962558).

401240131442 is a wasteful number, since it uses less digits than its factorization.

401240131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632280.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 401240131442 its reverse (244131042104), we get a palindrome (645371173546).

The spelling of 401240131442 in words is "four hundred one billion, two hundred forty million, one hundred thirty-one thousand, four hundred forty-two".