402241423012 has 48 divisors (see below), whose sum is σ = 827144200512. Its totient is φ = 168740311680.

The previous prime is 402241422991. The next prime is 402241423019. The reversal of 402241423012 is 210324142204.

It is not an unprimeable number, because it can be changed into a prime (402241423019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3048798 + ... + 3177994.

It is an arithmetic number, because the mean of its divisors is an integer number (17232170844).

Almost surely, 2^402241423012 is an apocalyptic number.

It is an amenable number.

402241423012 is an abundant number, since it is smaller than the sum of its proper divisors (424902777500).

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

402241423012 is a wasteful number, since it uses less digits than its factorization.

402241423012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134668 (or 134666 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 402241423012 its reverse (210324142204), we get a palindrome (612565565216).

The spelling of 402241423012 in words is "four hundred two billion, two hundred forty-one million, four hundred twenty-three thousand, twelve".