4561406420452 has 72 divisors (see below), whose sum is σ = 9621278392320. Its totient is φ = 1885494985920.

The previous prime is 4561406420401. The next prime is 4561406420477. The reversal of 4561406420452 is 2540246041654.

It is a junction number, because it is equal to n+sod(n) for n = 4561406420399 and 4561406420408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3108324 + ... + 4334107.

It is an arithmetic number, because the mean of its divisors is an integer number (133628866560).

Almost surely, 2^{4561406420452} is an apocalyptic number.

It is an amenable number.

4561406420452 is an abundant number, since it is smaller than the sum of its proper divisors (5059871971868).

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

4561406420452 is a wasteful number, since it uses less digits than its factorization.

4561406420452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442561 (or 7442552 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 4561406420452 in words is "four trillion, five hundred sixty-one billion, four hundred six million, four hundred twenty thousand, four hundred fifty-two".