37557312040 has 64 divisors (see below), whose sum is σ = 86112234000. Its totient is φ = 14738288640.

The previous prime is 37557311977. The next prime is 37557312047. The reversal of 37557312040 is 4021375573.

It can be written as a sum of positive squares in 8 ways, for example, as 4017784996 + 33539527044 = 63386^2 + 183138^2 .

It is a super-3 number, since 3×37557312040³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (37557312047) 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, 929376 + ... + 968944.

Almost surely, 2^37557312040 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 37557312040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43056117000).

37557312040 is an abundant number, since it is smaller than the sum of its proper divisors (48554921960).

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

37557312040 is a wasteful number, since it uses less digits than its factorization.

37557312040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40030 (or 40026 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The spelling of 37557312040 in words is "thirty-seven billion, five hundred fifty-seven million, three hundred twelve thousand, forty".