466139628 has 36 divisors (see below), whose sum is σ = 1184896440. Its totient is φ = 154509696.

The previous prime is 466139621. The next prime is 466139633. The reversal of 466139628 is 826931664.

466139628 is a `hidden beast` number, since 4 + 6 + 6 + 13 + 9 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (466139621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29725 + ... + 42612.

It is an arithmetic number, because the mean of its divisors is an integer number (32913790).

Almost surely, 2^466139628 is an apocalyptic number.

It is an amenable number.

466139628 is an abundant number, since it is smaller than the sum of its proper divisors (718756812).

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

466139628 is a wasteful number, since it uses less digits than its factorization.

466139628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72526 (or 72521 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 466139628 is about 21590.2669738009. The cubic root of 466139628 is about 775.3634801404.

The spelling of 466139628 in words is "four hundred sixty-six million, one hundred thirty-nine thousand, six hundred twenty-eight".