43420333455 has 48 divisors (see below), whose sum is σ = 78618361536. Its totient is φ = 22126917120.

The previous prime is 43420333399. The next prime is 43420333457. The reversal of 43420333455 is 55433302434.

43420333455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43420333455 - 2²⁷ = 43286115727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43420333457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 964345 + ... + 1008365.

It is an arithmetic number, because the mean of its divisors is an integer number (1637882532).

Almost surely, 2^43420333455 is an apocalyptic number.

43420333455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43420333455 is a deficient number, since it is larger than the sum of its proper divisors (35198028081).

43420333455 is a wasteful number, since it uses less digits than its factorization.

43420333455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45008 (or 45005 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 36.

Adding to 43420333455 its reverse (55433302434), we get a palindrome (98853635889).

The spelling of 43420333455 in words is "forty-three billion, four hundred twenty million, three hundred thirty-three thousand, four hundred fifty-five".