4081519374520 has 64 divisors (see below), whose sum is σ = 10565774136000. Its totient is φ = 1389986257920.

The previous prime is 4081519374469. The next prime is 4081519374523. The reversal of 4081519374520 is 254739151804.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081519374523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48873901 + ... + 48957340.

It is an arithmetic number, because the mean of its divisors is an integer number (165090220875).

Almost surely, 2^{4081519374520} is an apocalyptic number.

4081519374520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4081519374520 is an abundant number, since it is smaller than the sum of its proper divisors (6484254761480).

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

4081519374520 is a wasteful number, since it uses less digits than its factorization.

4081519374520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97831408 (or 97831404 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 4081519374520 in words is "four trillion, eighty-one billion, five hundred nineteen million, three hundred seventy-four thousand, five hundred twenty".