37648489536 has 336 divisors, whose sum is σ = 125757066240. Its totient is φ = 10546744320.

The previous prime is 37648489523. The next prime is 37648489537. The reversal of 37648489536 is 63598484673.

37648489536 is a `hidden beast` number, since 3 + 76 + 484 + 89 + 5 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (37648489537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99336195 + ... + 99336573.

Almost surely, 2^37648489536 is an apocalyptic number.

37648489536 is a gapful number since it is divisible by the number (36) 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 37648489536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62878533120).

37648489536 is an abundant number, since it is smaller than the sum of its proper divisors (88108576704).

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

37648489536 is a wasteful number, since it uses less digits than its factorization.

37648489536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 809 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 37648489536 in words is "thirty-seven billion, six hundred forty-eight million, four hundred eighty-nine thousand, five hundred thirty-six".