268721554827430 has 16 divisors (see below), whose sum is σ = 483731598764880. Its totient is φ = 107481333025312.

The previous prime is 268721554827419. The next prime is 268721554827443. The reversal of 268721554827430 is 34728455127862.

268721554827430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×268721554827430² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910958365 + ... + 911253304.

It is an arithmetic number, because the mean of its divisors is an integer number (30233224922805).

Almost surely, 2^{268721554827430} is an apocalyptic number.

268721554827430 is a deficient number, since it is larger than the sum of its proper divisors (215010043937450).

268721554827430 is a wasteful number, since it uses less digits than its factorization.

268721554827430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822226423.

The product of its (nonzero) digits is 180633600, while the sum is 64.

The spelling of 268721554827430 in words is "two hundred sixty-eight trillion, seven hundred twenty-one billion, five hundred fifty-four million, eight hundred twenty-seven thousand, four hundred thirty".