4451142132520 has 32 divisors (see below), whose sum is σ = 10016328215520. Its totient is φ = 1780233134400.

The previous prime is 4451142132509. The next prime is 4451142132539. The reversal of 4451142132520 is 252312411544.

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, 6668706 + ... + 7305745.

It is an arithmetic number, because the mean of its divisors is an integer number (313010256735).

Almost surely, 2^{4451142132520} is an apocalyptic number.

4451142132520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4451142132520 is an abundant number, since it is smaller than the sum of its proper divisors (5565186083000).

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

4451142132520 is a wasteful number, since it uses less digits than its factorization.

4451142132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13982425 (or 13982421 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 4451142132520 in words is "four trillion, four hundred fifty-one billion, one hundred forty-two million, one hundred thirty-two thousand, five hundred twenty".