40433311313421 has 32 divisors (see below), whose sum is σ = 58191727706112. Its totient is φ = 24824811510720.

The previous prime is 40433311313413. The next prime is 40433311313431. The reversal of 40433311313421 is 12431311333404.

It is not a de Polignac number, because 40433311313421 - 2³ = 40433311313413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40433311313401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40098396 + ... + 41094378.

It is an arithmetic number, because the mean of its divisors is an integer number (1818491490816).

Almost surely, 2^{40433311313421} is an apocalyptic number.

It is an amenable number.

40433311313421 is a deficient number, since it is larger than the sum of its proper divisors (17758416392691).

40433311313421 is a wasteful number, since it uses less digits than its factorization.

40433311313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998393.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 40433311313421 its reverse (12431311333404), we get a palindrome (52864622646825).

The spelling of 40433311313421 in words is "forty trillion, four hundred thirty-three billion, three hundred eleven million, three hundred thirteen thousand, four hundred twenty-one".