37638605020 has 24 divisors (see below), whose sum is σ = 79192222704. Its totient is φ = 15026651136.

The previous prime is 37638605003. The next prime is 37638605029. The reversal of 37638605020 is 2050683673.

37638605020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37638605029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788709 + ... + 1809628.

It is an arithmetic number, because the mean of its divisors is an integer number (3299675946).

Almost surely, 2^37638605020 is an apocalyptic number.

It is an amenable number.

37638605020 is an abundant number, since it is smaller than the sum of its proper divisors (41553617684).

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

37638605020 is a wasteful number, since it uses less digits than its factorization.

37638605020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598869 (or 3598867 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 37638605020 in words is "thirty-seven billion, six hundred thirty-eight million, six hundred five thousand, twenty".