40423240333421 has 8 divisors (see below), whose sum is σ = 44656283913600. Its totient is φ = 36283230678240.

The previous prime is 40423240333321. The next prime is 40423240333439. The reversal of 40423240333421 is 12433304232404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40423240333421 - 2¹⁴ = 40423240317037 is a prime.

It is a super-3 number, since 3×40423240333421³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423240333451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23258480336 + ... + 23258482073.

It is an arithmetic number, because the mean of its divisors is an integer number (5582035489200).

Almost surely, 2^{40423240333421} is an apocalyptic number.

It is an amenable number.

40423240333421 is a deficient number, since it is larger than the sum of its proper divisors (4233043580179).

40423240333421 is a wasteful number, since it uses less digits than its factorization.

40423240333421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46516962499.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 40423240333421 its reverse (12433304232404), we get a palindrome (52856544565825).

The spelling of 40423240333421 in words is "forty trillion, four hundred twenty-three billion, two hundred forty million, three hundred thirty-three thousand, four hundred twenty-one".