7533157842 has 32 divisors (see below), whose sum is σ = 19131830400. Its totient is φ = 2152330704.

The previous prime is 7533157813. The next prime is 7533157859. The reversal of 7533157842 is 2487513357.

7533157842 is a `hidden beast` number, since 7 + 5 + 3 + 31 + 578 + 42 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9964117 + ... + 9964872.

It is an arithmetic number, because the mean of its divisors is an integer number (597869700).

Almost surely, 2^7533157842 is an apocalyptic number.

7533157842 is an abundant number, since it is smaller than the sum of its proper divisors (11598672558).

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

7533157842 is a wasteful number, since it uses less digits than its factorization.

7533157842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19929007 (or 19929001 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 7533157842 is about 86793.7661471145. The cubic root of 7533157842 is about 1960.3142146876.

The spelling of 7533157842 in words is "seven billion, five hundred thirty-three million, one hundred fifty-seven thousand, eight hundred forty-two".