420725265453 has 16 divisors (see below), whose sum is σ = 623715912960. Its totient is φ = 280294859808.

The previous prime is 420725265449. The next prime is 420725265461. The reversal of 420725265453 is 354562527024.

420725265453 is a `hidden beast` number, since 4 + 2 + 0 + 72 + 526 + 5 + 4 + 53 = 666.

It is not a de Polignac number, because 420725265453 - 2² = 420725265449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420725265399 and 420725265408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420725265463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5199400 + ... + 5279697.

It is an arithmetic number, because the mean of its divisors is an integer number (38982244560).

Almost surely, 2^420725265453 is an apocalyptic number.

It is an amenable number.

420725265453 is a deficient number, since it is larger than the sum of its proper divisors (202990647507).

420725265453 is a wasteful number, since it uses less digits than its factorization.

420725265453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480593 (or 10480587 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 45.

The spelling of 420725265453 in words is "four hundred twenty billion, seven hundred twenty-five million, two hundred sixty-five thousand, four hundred fifty-three".