4015247140 has 24 divisors (see below), whose sum is σ = 8591115960. Its totient is φ = 1575794688.

The previous prime is 4015247063. The next prime is 4015247161. The reversal of 4015247140 is 417425104.

It can be written as a sum of positive squares in 4 ways, for example, as 45239076 + 3970008064 = 6726^2 + 63008^2 .

It is a super-2 number, since 2×4015247140² = 32244419190556359200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4015247099 and 4015247108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892925 + ... + 1895044.

It is an arithmetic number, because the mean of its divisors is an integer number (357963165).

Almost surely, 2^4015247140 is an apocalyptic number.

It is an amenable number.

4015247140 is an abundant number, since it is smaller than the sum of its proper divisors (4575868820).

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

4015247140 is a wasteful number, since it uses less digits than its factorization.

4015247140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788031 (or 3788029 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 4015247140 is about 63365.9777798781. The cubic root of 4015247140 is about 1589.4154385023.

The spelling of 4015247140 in words is "four billion, fifteen million, two hundred forty-seven thousand, one hundred forty".