6142733640 has 48 divisors (see below), whose sum is σ = 19963885500. Its totient is φ = 1638062208.

The previous prime is 6142733581. The next prime is 6142733659. The reversal of 6142733640 is 463372416.

It is a happy number.

6142733640 is a `hidden beast` number, since 6 + 1 + 4 + 2 + 7 + 3 + 3 + 640 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5709011364 + 433722276 = 75558^2 + 20826^2 .

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 = 6142733595 and 6142733604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8531215 + ... + 8531934.

Almost surely, 2^6142733640 is an apocalyptic number.

6142733640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6142733640 is an abundant number, since it is smaller than the sum of its proper divisors (13821151860).

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

6142733640 is a wasteful number, since it uses less digits than its factorization.

6142733640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17063166 (or 17063159 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 6142733640 is about 78375.5933948828. The cubic root of 6142733640 is about 1831.4169443410.

The spelling of 6142733640 in words is "six billion, one hundred forty-two million, seven hundred thirty-three thousand, six hundred forty".