4521023740420 has 48 divisors (see below), whose sum is σ = 10387102557888. Its totient is φ = 1639270828160.

The previous prime is 4521023740403. The next prime is 4521023740421. The reversal of 4521023740420 is 240473201254.

It is a super-2 number, since 2×4521023740420² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4521023740421) 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, 29534767 + ... + 29687446.

It is an arithmetic number, because the mean of its divisors is an integer number (216397969956).

Almost surely, 2^{4521023740420} is an apocalyptic number.

It is an amenable number.

4521023740420 is an abundant number, since it is smaller than the sum of its proper divisors (5866078817468).

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

4521023740420 is a wasteful number, since it uses less digits than its factorization.

4521023740420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59222580 (or 59222578 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

Adding to 4521023740420 its reverse (240473201254), we get a palindrome (4761496941674).

The spelling of 4521023740420 in words is "four trillion, five hundred twenty-one billion, twenty-three million, seven hundred forty thousand, four hundred twenty".