420725723273650 has 96 divisors (see below), whose sum is σ = 792575109446400. Its totient is φ = 166143210240000.

The previous prime is 420725723273591. The next prime is 420725723273663. The reversal of 420725723273650 is 56372327527024.

It is a junction number, because it is equal to n+sod(n) for n = 420725723273591 and 420725723273600.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5598516276 + ... + 5598591424.

It is an arithmetic number, because the mean of its divisors is an integer number (8255990723400).

Almost surely, 2^{420725723273650} is an apocalyptic number.

420725723273650 is a deficient number, since it is larger than the sum of its proper divisors (371849386172750).

420725723273650 is a wasteful number, since it uses less digits than its factorization.

420725723273650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78100 (or 78095 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 55.

The spelling of 420725723273650 in words is "four hundred twenty trillion, seven hundred twenty-five billion, seven hundred twenty-three million, two hundred seventy-three thousand, six hundred fifty".