42505354250 has 64 divisors (see below), whose sum is σ = 80616332160. Its totient is φ = 16779312000.

The previous prime is 42505354219. The next prime is 42505354267. The reversal of 42505354250 is 5245350524.

It is a super-3 number, since 3×42505354250³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42505354250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14305265 + ... + 14308235.

It is an arithmetic number, because the mean of its divisors is an integer number (1259630190).

Almost surely, 2^42505354250 is an apocalyptic number.

42505354250 is a deficient number, since it is larger than the sum of its proper divisors (38110977910).

42505354250 is a wasteful number, since it uses less digits than its factorization.

42505354250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720 (or 3710 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 42505354250 in words is "forty-two billion, five hundred five million, three hundred fifty-four thousand, two hundred fifty".