4536530436440 has 32 divisors (see below), whose sum is σ = 10247859614160. Its totient is φ = 1807382640000.

The previous prime is 4536530436439. The next prime is 4536530436461. The reversal of 4536530436440 is 446340356354.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225912791 + ... + 225932870.

Almost surely, 2^{4536530436440} is an apocalyptic number.

4536530436440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4536530436440 is an abundant number, since it is smaller than the sum of its proper divisors (5711329177720).

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

4536530436440 is a wasteful number, since it uses less digits than its factorization.

4536530436440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451845923 (or 451845919 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 47.

The spelling of 4536530436440 in words is "four trillion, five hundred thirty-six billion, five hundred thirty million, four hundred thirty-six thousand, four hundred forty".