40120433455 has 8 divisors (see below), whose sum is σ = 48150076752. Its totient is φ = 32092642368.

The previous prime is 40120433401. The next prime is 40120433471. The reversal of 40120433455 is 55433402104.

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 40120433455 - 2⁹ = 40120432943 is a prime.

It is a Duffinian 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, 414942 + ... + 502411.

It is an arithmetic number, because the mean of its divisors is an integer number (6018759594).

Almost surely, 2^40120433455 is an apocalyptic number.

40120433455 is a deficient number, since it is larger than the sum of its proper divisors (8029643297).

40120433455 is an equidigital number, since it uses as much as digits as its factorization.

40120433455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926105.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 40120433455 its reverse (55433402104), we get a palindrome (95553835559).

The spelling of 40120433455 in words is "forty billion, one hundred twenty million, four hundred thirty-three thousand, four hundred fifty-five".