15057143640 has 192 divisors, whose sum is σ = 61010876160. Its totient is φ = 3128751360.

The previous prime is 15057143603. The next prime is 15057143657. The reversal of 15057143640 is 4634175051.

15057143640 is a `hidden beast` number, since 1 + 5 + 0 + 5 + 7 + 1 + 4 + 3 + 640 = 666.

15057143640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 15057143595 and 15057143604.

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 47 ways as a sum of consecutive naturals, for example, 243874 + ... + 299313.

It is an arithmetic number, because the mean of its divisors is an integer number (317764980).

Almost surely, 2^15057143640 is an apocalyptic number.

15057143640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15057143640 is an abundant number, since it is smaller than the sum of its proper divisors (45953732520).

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

15057143640 is a wasteful number, since it uses less digits than its factorization.

15057143640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543222 (or 543215 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 15057143640 in words is "fifteen billion, fifty-seven million, one hundred forty-three thousand, six hundred forty".