42947776324 has 12 divisors (see below), whose sum is σ = 75290701500. Its totient is φ = 21436147328.

The previous prime is 42947776297. The next prime is 42947776337. The reversal of 42947776324 is 42367774924.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2014393924 + 40933382400 = 44882^2 + 202320^2 .

It is a super-2 number, since 2×42947776324² (a number of 22 digits) contains 22 as substring.

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, 9432649 + ... + 9437200.

It is an arithmetic number, because the mean of its divisors is an integer number (6274225125).

Almost surely, 2^42947776324 is an apocalyptic number.

It is an amenable number.

42947776324 is a deficient number, since it is larger than the sum of its proper divisors (32342925176).

42947776324 is a wasteful number, since it uses less digits than its factorization.

42947776324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18870422 (or 18870420 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 55.

The spelling of 42947776324 in words is "forty-two billion, nine hundred forty-seven million, seven hundred seventy-six thousand, three hundred twenty-four".