4345051520 has 32 divisors (see below), whose sum is σ = 10387390320. Its totient is φ = 1738020352.

The previous prime is 4345051517. The next prime is 4345051559. The reversal of 4345051520 is 251505434.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×4345051520² = 37758945422908620800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3393932 + ... + 3395211.

Almost surely, 2^4345051520 is an apocalyptic number.

4345051520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4345051520 is an abundant number, since it is smaller than the sum of its proper divisors (6042338800).

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

4345051520 is an equidigital number, since it uses as much as digits as its factorization.

4345051520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789162 (or 6789150 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 4345051520 is about 65917.0047863220. The cubic root of 4345051520 is about 1631.7926655741.

Adding to 4345051520 its reverse (251505434), we get a palindrome (4596556954).

The spelling of 4345051520 in words is "four billion, three hundred forty-five million, fifty-one thousand, five hundred twenty".