42212513550 has 48 divisors (see below), whose sum is σ = 104713230960. Its totient is φ = 11253853440.

The previous prime is 42212513543. The next prime is 42212513653. The reversal of 42212513550 is 5531521224.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 604866 + ... + 671034.

It is an arithmetic number, because the mean of its divisors is an integer number (2181525645).

Almost surely, 2^42212513550 is an apocalyptic number.

42212513550 is an abundant number, since it is smaller than the sum of its proper divisors (62500717410).

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

42212513550 is a wasteful number, since it uses less digits than its factorization.

42212513550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70437 (or 70432 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 42212513550 in words is "forty-two billion, two hundred twelve million, five hundred thirteen thousand, five hundred fifty".