42378311852 has 12 divisors (see below), whose sum is σ = 74163869640. Its totient is φ = 21188634816.

The previous prime is 42378311837. The next prime is 42378311867. The reversal of 42378311852 is 25811387324.

It is an interprime number because it is at equal distance from previous prime (42378311837) and next prime (42378311867).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96599 + ... + 306737.

It is an arithmetic number, because the mean of its divisors is an integer number (6180322470).

Almost surely, 2^42378311852 is an apocalyptic number.

It is an amenable number.

42378311852 is a deficient number, since it is larger than the sum of its proper divisors (31785557788).

42378311852 is a wasteful number, since it uses less digits than its factorization.

42378311852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260560 (or 260558 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The spelling of 42378311852 in words is "forty-two billion, three hundred seventy-eight million, three hundred eleven thousand, eight hundred fifty-two".