37545621044 has 12 divisors (see below), whose sum is σ = 66630257568. Its totient is φ = 18508404600.

The previous prime is 37545621041. The next prime is 37545621059. The reversal of 37545621044 is 44012654573.

It is a junction number, because it is equal to n+sod(n) for n = 37545620992 and 37545621010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37545621041) 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 3 ways as a sum of consecutive naturals, for example, 66101162 + ... + 66101729.

It is an arithmetic number, because the mean of its divisors is an integer number (5552521464).

Almost surely, 2^37545621044 is an apocalyptic number.

It is an amenable number.

37545621044 is a deficient number, since it is larger than the sum of its proper divisors (29084636524).

37545621044 is a wasteful number, since it uses less digits than its factorization.

37545621044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132202966 (or 132202964 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 37545621044 in words is "thirty-seven billion, five hundred forty-five million, six hundred twenty-one thousand, forty-four".