4541557436440 has 32 divisors (see below), whose sum is σ = 10756320246000. Its totient is φ = 1721011238784.

The previous prime is 4541557436413. The next prime is 4541557436441. The reversal of 4541557436440 is 446347551454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4541557436441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2987865975 + ... + 2987867494.

Almost surely, 2^{4541557436440} is an apocalyptic number.

4541557436440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4541557436440 is an abundant number, since it is smaller than the sum of its proper divisors (6214762809560).

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

4541557436440 is a wasteful number, since it uses less digits than its factorization.

4541557436440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975733499 (or 5975733495 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 52.

The spelling of 4541557436440 in words is "four trillion, five hundred forty-one billion, five hundred fifty-seven million, four hundred thirty-six thousand, four hundred forty".