40323202124421 has 32 divisors (see below), whose sum is σ = 56244725412480. Its totient is φ = 25673428037376.

The previous prime is 40323202124407. The next prime is 40323202124441. The reversal of 40323202124421 is 12442120232304.

It is not a de Polignac number, because 40323202124421 - 2⁵ = 40323202124389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40323202124441) 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, 14279106 + ... + 16868291.

It is an arithmetic number, because the mean of its divisors is an integer number (1757647669140).

Almost surely, 2^{40323202124421} is an apocalyptic number.

It is an amenable number.

40323202124421 is a deficient number, since it is larger than the sum of its proper divisors (15921523288059).

40323202124421 is a wasteful number, since it uses less digits than its factorization.

40323202124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31147653.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40323202124421 its reverse (12442120232304), we get a palindrome (52765322356725).

The spelling of 40323202124421 in words is "forty trillion, three hundred twenty-three billion, two hundred two million, one hundred twenty-four thousand, four hundred twenty-one".