46405278628164 has 81 divisors (see below), whose sum is σ = 118741220009503. Its totient is φ = 15280942437264.

The previous prime is 46405278628153. The next prime is 46405278628193. The reversal of 46405278628164 is 46182687250464.

It is a happy number.

The square root of 46405278628164 is 6812142.

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

46405278628164 is a `hidden beast` number, since 4 + 6 + 4 + 0 + 527 + 86 + 28 + 1 + 6 + 4 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3392439877 + ... + 3392453555.

Almost surely, 2^{46405278628164} is an apocalyptic number.

46405278628164 is the 6812142-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46405278628164

46405278628164 is an abundant number, since it is smaller than the sum of its proper divisors (72335941381339).

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

46405278628164 is an frugal number, since it uses more digits than its factorization.

46405278628164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27534 (or 13767 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 63.

The spelling of 46405278628164 in words is "forty-six trillion, four hundred five billion, two hundred seventy-eight million, six hundred twenty-eight thousand, one hundred sixty-four".