537804436624 has 160 divisors (see below), whose sum is σ = 1291361347584. Its totient is φ = 211285463040.

The previous prime is 537804436607. The next prime is 537804436669. The reversal of 537804436624 is 426634408735.

It is a happy number.

It is a super-2 number, since 2×537804436624² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149679372 + ... + 149682964.

Almost surely, 2^537804436624 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 537804436624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645680673792).

537804436624 is an abundant number, since it is smaller than the sum of its proper divisors (753556910960).

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

537804436624 is a wasteful number, since it uses less digits than its factorization.

537804436624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305 (or 4299 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 537804436624 in words is "five hundred thirty-seven billion, eight hundred four million, four hundred thirty-six thousand, six hundred twenty-four".