1463440562172 has 18 divisors (see below), whose sum is σ = 3699252532248. Its totient is φ = 487813520712.

The previous prime is 1463440562149. The next prime is 1463440562183. The reversal of 1463440562172 is 2712650443641.

1463440562172 is a `hidden beast` number, since 1 + 4 + 6 + 34 + 40 + 562 + 17 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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, 20325563328 + ... + 20325563399.

Almost surely, 2^{1463440562172} is an apocalyptic number.

1463440562172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1463440562172 is an abundant number, since it is smaller than the sum of its proper divisors (2235811970076).

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

1463440562172 is a wasteful number, since it uses less digits than its factorization.

1463440562172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40651126737 (or 40651126732 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 1463440562172 in words is "one trillion, four hundred sixty-three billion, four hundred forty million, five hundred sixty-two thousand, one hundred seventy-two".