37945428808 has 64 divisors (see below), whose sum is σ = 86265446400. Its totient is φ = 15285049920.

The previous prime is 37945428797. The next prime is 37945428809. The reversal of 37945428808 is 80882454973.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (37945428809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5278 + ... + 275533.

It is an arithmetic number, because the mean of its divisors is an integer number (1347897600).

Almost surely, 2^37945428808 is an apocalyptic number.

37945428808 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37945428808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43132723200).

37945428808 is an abundant number, since it is smaller than the sum of its proper divisors (48320017592).

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

37945428808 is a wasteful number, since it uses less digits than its factorization.

37945428808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280970 (or 280966 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 37945428808 in words is "thirty-seven billion, nine hundred forty-five million, four hundred twenty-eight thousand, eight hundred eight".