37988537652 has 240 divisors, whose sum is σ = 110306720832. Its totient is φ = 11326210560.

The previous prime is 37988537651. The next prime is 37988537663. The reversal of 37988537652 is 25673588973.

37988537652 is a `hidden beast` number, since 3 + 7 + 98 + 8 + 537 + 6 + 5 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 37988537652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37988537651) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24812127 + ... + 24813657.

Almost surely, 2^37988537652 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 37988537652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55153360416).

37988537652 is an abundant number, since it is smaller than the sum of its proper divisors (72318183180).

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

37988537652 is a wasteful number, since it uses less digits than its factorization.

37988537652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740 (or 1729 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 37988537652 in words is "thirty-seven billion, nine hundred eighty-eight million, five hundred thirty-seven thousand, six hundred fifty-two".