4573835981520 has 320 divisors, whose sum is σ = 15648623257344. Its totient is φ = 1097999400960.

The previous prime is 4573835981503. The next prime is 4573835981531. The reversal of 4573835981520 is 251895383754.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88653972 + ... + 88705548.

Almost surely, 2^{4573835981520} is an apocalyptic number.

4573835981520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4573835981520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7824311628672).

4573835981520 is an abundant number, since it is smaller than the sum of its proper divisors (11074787275824).

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

4573835981520 is a wasteful number, since it uses less digits than its factorization.

4573835981520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52310 (or 52304 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 60.

The spelling of 4573835981520 in words is "four trillion, five hundred seventy-three billion, eight hundred thirty-five million, nine hundred eighty-one thousand, five hundred twenty".