4345157520 has 400 divisors, whose sum is σ = 16826565888. Its totient is φ = 1030164480.

The previous prime is 4345157507. The next prime is 4345157533. The reversal of 4345157520 is 257515434.

4345157520 is a `hidden beast` number, since 4 + 34 + 51 + 57 + 520 = 666.

It is an interprime number because it is at equal distance from previous prime (4345157507) and next prime (4345157533).

It is a super-2 number, since 2×4345157520² = 37760787747225100800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3349512 + ... + 3350808.

Almost surely, 2^4345157520 is an apocalyptic number.

4345157520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4345157520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8413282944).

4345157520 is an abundant number, since it is smaller than the sum of its proper divisors (12481408368).

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

4345157520 is a wasteful number, since it uses less digits than its factorization.

4345157520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1365 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 4345157520 is about 65917.8088228060. The cubic root of 4345157520 is about 1631.8059349692.

The spelling of 4345157520 in words is "four billion, three hundred forty-five million, one hundred fifty-seven thousand, five hundred twenty".