2036521440 has 480 divisors, whose sum is σ = 7675202304. Its totient is φ = 507617280.

The previous prime is 2036521429. The next prime is 2036521463. The reversal of 2036521440 is 441256302.

2036521440 is a `hidden beast` number, since 2 + 0 + 3 + 652 + 1 + 4 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14865052 + ... + 14865188.

Almost surely, 2^2036521440 is an apocalyptic number.

2036521440 is a gapful number since it is divisible by the number (20) 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 2036521440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3837601152).

2036521440 is an abundant number, since it is smaller than the sum of its proper divisors (5638680864).

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

2036521440 is a wasteful number, since it uses less digits than its factorization.

2036521440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2036521440 is about 45127.8344262164. The cubic root of 2036521440 is about 1267.5438589914.

Adding to 2036521440 its reverse (441256302), we get a palindrome (2477777742).

The spelling of 2036521440 in words is "two billion, thirty-six million, five hundred twenty-one thousand, four hundred forty".