37228570640 has 80 divisors (see below), whose sum is σ = 91847478528. Its totient is φ = 13984954368.

The previous prime is 37228570583. The next prime is 37228570667. The reversal of 37228570640 is 4607582273.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 37228570591 and 37228570600.

It is an unprimeable number.

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, 600119 + ... + 659241.

Almost surely, 2^37228570640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37228570640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45923739264).

37228570640 is an abundant number, since it is smaller than the sum of its proper divisors (54618907888).

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

37228570640 is a wasteful number, since it uses less digits than its factorization.

37228570640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59616 (or 59610 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 37228570640 in words is "thirty-seven billion, two hundred twenty-eight million, five hundred seventy thousand, six hundred forty".