128462466 has 16 divisors (see below), whose sum is σ = 280281888. Its totient is φ = 38928000.

The previous prime is 128462461. The next prime is 128462479. The reversal of 128462466 is 664264821.

It is not an unprimeable number, because it can be changed into a prime (128462461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973135 + ... + 973266.

It is an arithmetic number, because the mean of its divisors is an integer number (17517618).

Almost surely, 2^128462466 is an apocalyptic number.

128462466 is an abundant number, since it is smaller than the sum of its proper divisors (151819422).

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

128462466 is a wasteful number, since it uses less digits than its factorization.

128462466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946417.

The product of its digits is 110592, while the sum is 39.

The square root of 128462466 is about 11334.1283740745. The cubic root of 128462466 is about 504.5746390420.

The spelling of 128462466 in words is "one hundred twenty-eight million, four hundred sixty-two thousand, four hundred sixty-six".