727266408420 has 48 divisors (see below), whose sum is σ = 2064241105920. Its totient is φ = 191281026816.

The previous prime is 727266408397. The next prime is 727266408433. The reversal of 727266408420 is 24804662727.

It is a super-2 number, since 2×727266408420² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 727266408420.

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, 83016900 + ... + 83025659.

It is an arithmetic number, because the mean of its divisors is an integer number (43005023040).

Almost surely, 2^727266408420 is an apocalyptic number.

It is an amenable number.

727266408420 is an abundant number, since it is smaller than the sum of its proper divisors (1336974697500).

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

727266408420 is a wasteful number, since it uses less digits than its factorization.

727266408420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166042644 (or 166042642 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 727266408420 in words is "seven hundred twenty-seven billion, two hundred sixty-six million, four hundred eight thousand, four hundred twenty".