4251555140 has 192 divisors, whose sum is σ = 11333468160. Its totient is φ = 1306782720.

The previous prime is 4251555103. The next prime is 4251555151. The reversal of 4251555140 is 415551524.

It is a super-2 number, since 2×4251555140² = 36151442216920839200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4251555097 and 4251555106.

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 63 ways as a sum of consecutive naturals, for example, 3875072 + ... + 3876168.

It is an arithmetic number, because the mean of its divisors is an integer number (59028480).

Almost surely, 2^4251555140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4251555140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5666734080).

4251555140 is an abundant number, since it is smaller than the sum of its proper divisors (7081913020).

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

4251555140 is a wasteful number, since it uses less digits than its factorization.

4251555140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 4251555140 is about 65203.9503404510. The cubic root of 4251555140 is about 1620.0034471298.

The spelling of 4251555140 in words is "four billion, two hundred fifty-one million, five hundred fifty-five thousand, one hundred forty".