42917901540 has 48 divisors (see below), whose sum is σ = 122206916160. Its totient is φ = 11250793600.

The previous prime is 42917901529. The next prime is 42917901563. The reversal of 42917901540 is 4510971924.

It is a junction number, because it is equal to n+sod(n) for n = 42917901492 and 42917901501.

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, 6058311 + ... + 6065390.

It is an arithmetic number, because the mean of its divisors is an integer number (2545977420).

Almost surely, 2^42917901540 is an apocalyptic number.

It is an amenable number.

42917901540 is an abundant number, since it is smaller than the sum of its proper divisors (79289014620).

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

42917901540 is a wasteful number, since it uses less digits than its factorization.

42917901540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12123772 (or 12123770 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 42917901540 in words is "forty-two billion, nine hundred seventeen million, nine hundred one thousand, five hundred forty".