42667498816 has 14 divisors (see below), whose sum is σ = 84668318090. Its totient is φ = 21333749376.

The previous prime is 42667498763. The next prime is 42667498831. The reversal of 42667498816 is 61889476624.

It can be written as a sum of positive squares in only one way, i.e., 34560297216 + 8107201600 = 185904^2 + 90040^2 .

It is a super-2 number, since 2×42667498816² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 333339771 + ... + 333339898.

Almost surely, 2^42667498816 is an apocalyptic number.

It is an amenable number.

42667498816 is a deficient number, since it is larger than the sum of its proper divisors (42000819274).

42667498816 is an equidigital number, since it uses as much as digits as its factorization.

42667498816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666679681 (or 666679671 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 61.

The spelling of 42667498816 in words is "forty-two billion, six hundred sixty-seven million, four hundred ninety-eight thousand, eight hundred sixteen".