5437635840 has 1296 divisors, whose sum is σ = 25585156800. Its totient is φ = 1086898176.

The previous prime is 5437635799. The next prime is 5437635851. The reversal of 5437635840 is 485367345.

5437635840 is a `hidden beast` number, since 5 + 4 + 3 + 7 + 63 + 584 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 286191351 + ... + 286191369.

Almost surely, 2^5437635840 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 5437635840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12792578400).

5437635840 is an abundant number, since it is smaller than the sum of its proper divisors (20147520960).

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

5437635840 is a wasteful number, since it uses less digits than its factorization.

5437635840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The square root of 5437635840 is about 73740.3270944739. The cubic root of 5437635840 is about 1758.4770572206.

The spelling of 5437635840 in words is "five billion, four hundred thirty-seven million, six hundred thirty-five thousand, eight hundred forty".