1461023944980 has 48 divisors (see below), whose sum is σ = 4095911408064. Its totient is φ = 389125969920.

The previous prime is 1461023944967. The next prime is 1461023944981. The reversal of 1461023944980 is 894493201641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461023944981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14963917 + ... + 15061236.

It is an arithmetic number, because the mean of its divisors is an integer number (85331487668).

Almost surely, 2^{1461023944980} is an apocalyptic number.

1461023944980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1461023944980 is an abundant number, since it is smaller than the sum of its proper divisors (2634887463084).

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

1461023944980 is a wasteful number, since it uses less digits than its factorization.

1461023944980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30025976 (or 30025974 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 1461023944980 in words is "one trillion, four hundred sixty-one billion, twenty-three million, nine hundred forty-four thousand, nine hundred eighty".