146440904472 has 24 divisors (see below), whose sum is σ = 396610783140. Its totient is φ = 48813634800.

The previous prime is 146440904443. The next prime is 146440904483. The reversal of 146440904472 is 274409044641.

146440904472 is a `hidden beast` number, since 14 + 6 + 440 + 90 + 44 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1016950654 + ... + 1016950797.

Almost surely, 2^146440904472 is an apocalyptic number.

146440904472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146440904472 is an abundant number, since it is smaller than the sum of its proper divisors (250169878668).

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

146440904472 is a wasteful number, since it uses less digits than its factorization.

146440904472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033901463 (or 2033901456 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 146440904472 in words is "one hundred forty-six billion, four hundred forty million, nine hundred four thousand, four hundred seventy-two".