42929357540 has 12 divisors (see below), whose sum is σ = 90151650876. Its totient is φ = 17171743008.

The previous prime is 42929357509. The next prime is 42929357563. The reversal of 42929357540 is 4575392924.

It is a happy number.

42929357540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31538918464 + 11390439076 = 177592^2 + 106726^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073233919 + ... + 1073233958.

It is an arithmetic number, because the mean of its divisors is an integer number (7512637573).

Almost surely, 2^42929357540 is an apocalyptic number.

It is an amenable number.

42929357540 is an abundant number, since it is smaller than the sum of its proper divisors (47222293336).

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

42929357540 is a wasteful number, since it uses less digits than its factorization.

42929357540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146467886 (or 2146467884 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 42929357540 in words is "forty-two billion, nine hundred twenty-nine million, three hundred fifty-seven thousand, five hundred forty".