299976385401 has 81 divisors (see below), whose sum is σ = 554263353189. Its totient is φ = 155766164400.

The previous prime is 299976385391. The next prime is 299976385421. The reversal of 299976385401 is 104583679992.

The square root of 299976385401 is 547701.

It is a perfect power (a square), and thus also a powerful number.

299976385401 is a `hidden beast` number, since 2 + 9 + 9 + 97 + 63 + 85 + 401 = 666.

It is not a de Polignac number, because 299976385401 - 2¹⁵ = 299976352633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (299976385421) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 126517746 + ... + 126520116.

It is a 1-persistent number, because it is pandigital, but 2⋅299976385401 = 599952770802 is not.

Almost surely, 2^299976385401 is an apocalyptic number.

299976385401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

299976385401 is the 547701-st square number.

299976385401 is the 273851-st centered octagonal number.

It is an amenable number.

299976385401 is a deficient number, since it is larger than the sum of its proper divisors (254286967788).

299976385401 is an equidigital number, since it uses as much as digits as its factorization.

299976385401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 299976385401 in words is "two hundred ninety-nine billion, nine hundred seventy-six million, three hundred eighty-five thousand, four hundred one".