6157724042 has 8 divisors (see below), whose sum is σ = 9237108036. Its totient is φ = 3078688032.

The previous prime is 6157724021. The next prime is 6157724051. The reversal of 6157724042 is 2404277516.

It can be written as a sum of positive squares in 2 ways, for example, as 5921456401 + 236267641 = 76951^2 + 15371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6157723987 and 6157724005.

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 3 ways as a sum of consecutive naturals, for example, 37013 + ... + 116984.

Almost surely, 2^6157724042 is an apocalyptic number.

6157724042 is a deficient number, since it is larger than the sum of its proper divisors (3079383994).

6157724042 is a wasteful number, since it uses less digits than its factorization.

6157724042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173992.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 6157724042 is about 78471.1669468474. The cubic root of 6157724042 is about 1832.9054984546.

The spelling of 6157724042 in words is "six billion, one hundred fifty-seven million, seven hundred twenty-four thousand, forty-two".