537296947840 has 64 divisors (see below), whose sum is σ = 1328767821000. Its totient is φ = 207507779584.

The previous prime is 537296947829. The next prime is 537296947949. The reversal of 537296947840 is 48749692735.

It can be written as a sum of positive squares in 4 ways, for example, as 531534316096 + 5762631744 = 729064^2 + 75912^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×537296947840³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

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 7 ways as a sum of consecutive naturals, for example, 14456035 + ... + 14493154.

Almost surely, 2^537296947840 is an apocalyptic number.

It is an amenable number.

537296947840 is an abundant number, since it is smaller than the sum of its proper divisors (791470873160).

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

537296947840 is a wasteful number, since it uses less digits than its factorization.

537296947840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28949237 (or 28949225 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 537296947840 in words is "five hundred thirty-seven billion, two hundred ninety-six million, nine hundred forty-seven thousand, eight hundred forty".