40402033405012 has 24 divisors (see below), whose sum is σ = 73873566043200. Its totient is φ = 19297584531456.

The previous prime is 40402033405007. The next prime is 40402033405057. The reversal of 40402033405012 is 21050433020404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285464062 + ... + 285605557.

It is an arithmetic number, because the mean of its divisors is an integer number (3078065251800).

Almost surely, 2^{40402033405012} is an apocalyptic number.

It is an amenable number.

40402033405012 is a deficient number, since it is larger than the sum of its proper divisors (33471532638188).

40402033405012 is a wasteful number, since it uses less digits than its factorization.

40402033405012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571070415 (or 571070413 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 40402033405012 its reverse (21050433020404), we get a palindrome (61452466425416).

The spelling of 40402033405012 in words is "forty trillion, four hundred two billion, thirty-three million, four hundred five thousand, twelve".