4451453354040 has 128 divisors (see below), whose sum is σ = 16649591800320. Its totient is φ = 924977318400.

The previous prime is 4451453354017. The next prime is 4451453354053. The reversal of 4451453354040 is 404533541544.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 4451453353983 and 4451453354001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240870271 + ... + 240888750.

It is an arithmetic number, because the mean of its divisors is an integer number (130074935940).

Almost surely, 2^{4451453354040} is an apocalyptic number.

4451453354040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4451453354040 is an abundant number, since it is smaller than the sum of its proper divisors (12198138446280).

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

4451453354040 is a wasteful number, since it uses less digits than its factorization.

4451453354040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481759053 (or 481759049 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 4451453354040 its reverse (404533541544), we get a palindrome (4855986895584).

The spelling of 4451453354040 in words is "four trillion, four hundred fifty-one billion, four hundred fifty-three million, three hundred fifty-four thousand, forty".