403120401042 has 16 divisors (see below), whose sum is σ = 806284909152. Its totient is φ = 134366115840.

The previous prime is 403120401041. The next prime is 403120401053. The reversal of 403120401042 is 240104021304.

It is not an unprimeable number, because it can be changed into a prime (403120401041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718383 + ... + 1938834.

It is an arithmetic number, because the mean of its divisors is an integer number (50392806822).

Almost surely, 2^403120401042 is an apocalyptic number.

403120401042 is an abundant number, since it is smaller than the sum of its proper divisors (403164508110).

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

403120401042 is a wasteful number, since it uses less digits than its factorization.

403120401042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675593.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 403120401042 its reverse (240104021304), we get a palindrome (643224422346).

The spelling of 403120401042 in words is "four hundred three billion, one hundred twenty million, four hundred one thousand, forty-two".