40433431521412 has 12 divisors (see below), whose sum is σ = 71957801860560. Its totient is φ = 19874059561256.

The previous prime is 40433431521407. The next prime is 40433431521421. The reversal of 40433431521412 is 21412513433404.

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, 85664049598 + ... + 85664050069.

It is an arithmetic number, because the mean of its divisors is an integer number (5996483488380).

Almost surely, 2^{40433431521412} is an apocalyptic number.

It is an amenable number.

40433431521412 is a deficient number, since it is larger than the sum of its proper divisors (31524370339148).

40433431521412 is a wasteful number, since it uses less digits than its factorization.

40433431521412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171328099730 (or 171328099728 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 40433431521412 its reverse (21412513433404), we get a palindrome (61845944954816).

The spelling of 40433431521412 in words is "forty trillion, four hundred thirty-three billion, four hundred thirty-one million, five hundred twenty-one thousand, four hundred twelve".