4036544240 has 80 divisors (see below), whose sum is σ = 9613099008. Its totient is φ = 1575575808.

The previous prime is 4036544219. The next prime is 4036544257. The reversal of 4036544240 is 424456304.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 4036544197 and 4036544206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438679 + ... + 1441481.

Almost surely, 2^4036544240 is an apocalyptic number.

4036544240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4036544240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4806549504).

4036544240 is an abundant number, since it is smaller than the sum of its proper divisors (5576554768).

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

4036544240 is a wasteful number, since it uses less digits than its factorization.

4036544240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246 (or 3240 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 4036544240 is about 63533.8039157109. The cubic root of 4036544240 is about 1592.2206014849.

The spelling of 4036544240 in words is "four billion, thirty-six million, five hundred forty-four thousand, two hundred forty".