4946561520 has 80 divisors (see below), whose sum is σ = 15344017920. Its totient is φ = 1318250752.

The previous prime is 4946561513. The next prime is 4946561533. The reversal of 4946561520 is 251656494.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×4946561520³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437701 + ... + 448859.

It is an arithmetic number, because the mean of its divisors is an integer number (191800224).

Almost surely, 2^4946561520 is an apocalyptic number.

4946561520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4946561520 is an abundant number, since it is smaller than the sum of its proper divisors (10397456400).

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

4946561520 is a wasteful number, since it uses less digits than its factorization.

4946561520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13022 (or 13016 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 4946561520 is about 70331.7959389635. The cubic root of 4946561520 is about 1703.8622130647.

The spelling of 4946561520 in words is "four billion, nine hundred forty-six million, five hundred sixty-one thousand, five hundred twenty".