721254256150 has 48 divisors (see below), whose sum is σ = 1440453028320. Its totient is φ = 267706611200.

The previous prime is 721254256141. The next prime is 721254256207. The reversal of 721254256150 is 51652452127.

It is a happy number.

It is a congruent number.

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, 5915245 + ... + 6035944.

It is an arithmetic number, because the mean of its divisors is an integer number (30009438090).

Almost surely, 2^721254256150 is an apocalyptic number.

721254256150 is a deficient number, since it is larger than the sum of its proper divisors (719198772170).

721254256150 is a wasteful number, since it uses less digits than its factorization.

721254256150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951289 (or 11951284 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 721254256150 in words is "seven hundred twenty-one billion, two hundred fifty-four million, two hundred fifty-six thousand, one hundred fifty".