420043732455 has 8 divisors (see below), whose sum is σ = 672069971952. Its totient is φ = 224023323968.

The previous prime is 420043732441. The next prime is 420043732457. The reversal of 420043732455 is 554237340024.

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 420043732455 - 2⁴ = 420043732439 is a prime.

It is a super-3 number, since 3×420043732455³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420043732457) 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, 14001457734 + ... + 14001457763.

It is an arithmetic number, because the mean of its divisors is an integer number (84008746494).

Almost surely, 2^420043732455 is an apocalyptic number.

420043732455 is a deficient number, since it is larger than the sum of its proper divisors (252026239497).

420043732455 is a wasteful number, since it uses less digits than its factorization.

420043732455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28002915505.

The product of its (nonzero) digits is 403200, while the sum is 39.

The spelling of 420043732455 in words is "four hundred twenty billion, forty-three million, seven hundred thirty-two thousand, four hundred fifty-five".