264128821462 has 12 divisors (see below), whose sum is σ = 435485123388. Its totient is φ = 120058555100.

The previous prime is 264128821459. The next prime is 264128821493.

264128821462 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 545720464 + ... + 545720947.

It is an arithmetic number, because the mean of its divisors is an integer number (36290426949).

Almost surely, 2^264128821462 is an apocalyptic number.

264128821462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

264128821462 is a deficient number, since it is larger than the sum of its proper divisors (171356301926).

264128821462 is a wasteful number, since it uses less digits than its factorization.

264128821462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091441435 (or 1091441424 counting only the distinct ones).

The product of its digits is 589824, while the sum is 46.

The spelling of 264128821462 in words is "two hundred sixty-four billion, one hundred twenty-eight million, eight hundred twenty-one thousand, four hundred sixty-two".