42258571640 has 32 divisors (see below), whose sum is σ = 97292994480. Its totient is φ = 16510324992.

The previous prime is 42258571633. The next prime is 42258571681. The reversal of 42258571640 is 4617585224.

It is a junction number, because it is equal to n+sod(n) for n = 42258571591 and 42258571600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12282749 + ... + 12286188.

Almost surely, 2^42258571640 is an apocalyptic number.

42258571640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42258571640 is an abundant number, since it is smaller than the sum of its proper divisors (55034422840).

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

42258571640 is a wasteful number, since it uses less digits than its factorization.

42258571640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24568991 (or 24568987 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 42258571640 in words is "forty-two billion, two hundred fifty-eight million, five hundred seventy-one thousand, six hundred forty".