4345555420 has 24 divisors (see below), whose sum is σ = 9141728400. Its totient is φ = 1735162752.

The previous prime is 4345555411. The next prime is 4345555427. The reversal of 4345555420 is 245555434.

It is a self number, because there is not a number n which added to its sum of digits gives 4345555420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4345555427) 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, 179550 + ... + 202309.

It is an arithmetic number, because the mean of its divisors is an integer number (380905350).

Almost surely, 2^4345555420 is an apocalyptic number.

It is an amenable number.

4345555420 is an abundant number, since it is smaller than the sum of its proper divisors (4796172980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4345555420 is a wasteful number, since it uses less digits than its factorization.

4345555420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382437 (or 382435 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 37.

The square root of 4345555420 is about 65920.8269062214. The cubic root of 4345555420 is about 1631.8557433486.

The spelling of 4345555420 in words is "four billion, three hundred forty-five million, five hundred fifty-five thousand, four hundred twenty".