402441023012 has 12 divisors (see below), whose sum is σ = 804882046080. Its totient is φ = 172474724136.

The previous prime is 402441022969. The next prime is 402441023021. The reversal of 402441023012 is 210320144204.

402441023012 is an admirable number.

It is a super-2 number, since 2×402441023012² (a number of 24 digits) contains 22 as substring.

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, 7186446812 + ... + 7186446867.

It is an arithmetic number, because the mean of its divisors is an integer number (67073503840).

Almost surely, 2^402441023012 is an apocalyptic number.

It is an amenable number.

402441023012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402441023012 is a wasteful number, since it uses less digits than its factorization.

402441023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14372893690 (or 14372893688 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 402441023012 its reverse (210320144204), we get a palindrome (612761167216).

The spelling of 402441023012 in words is "four hundred two billion, four hundred forty-one million, twenty-three thousand, twelve".