1461615484928 has 56 divisors (see below), whose sum is σ = 2923732460880. Its totient is φ = 730637762560.

The previous prime is 1461615484919. The next prime is 1461615484933. The reversal of 1461615484928 is 8294845161641.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39884918 + ... + 39921546.

It is an arithmetic number, because the mean of its divisors is an integer number (52209508230).

Almost surely, 2^{1461615484928} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1461615484928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461866230440).

1461615484928 is an abundant number, since it is smaller than the sum of its proper divisors (1462116975952).

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

1461615484928 is an frugal number, since it uses more digits than its factorization.

1461615484928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41526 (or 41502 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 59.

The spelling of 1461615484928 in words is "one trillion, four hundred sixty-one billion, six hundred fifteen million, four hundred eighty-four thousand, nine hundred twenty-eight".