42744532072 has 32 divisors (see below), whose sum is σ = 87483110400. Its totient is φ = 19417974400.

The previous prime is 42744532069. The next prime is 42744532079. The reversal of 42744532072 is 27023544724.

It is a happy number.

It is a super-2 number, since 2×42744532072² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42744532079) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10329 + ... + 292567.

It is an arithmetic number, because the mean of its divisors is an integer number (2733847200).

Almost surely, 2^42744532072 is an apocalyptic number.

It is an amenable number.

42744532072 is an abundant number, since it is smaller than the sum of its proper divisors (44738578328).

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

42744532072 is a wasteful number, since it uses less digits than its factorization.

42744532072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283977 (or 283973 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 40.

The spelling of 42744532072 in words is "forty-two billion, seven hundred forty-four million, five hundred thirty-two thousand, seventy-two".