1461387738760 has 64 divisors (see below), whose sum is σ = 3440686855680. Its totient is φ = 557949150720.

The previous prime is 1461387738743. The next prime is 1461387738787. The reversal of 1461387738760 is 678377831641.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7981662 + ... + 8162701.

It is an arithmetic number, because the mean of its divisors is an integer number (53760732120).

Almost surely, 2^{1461387738760} is an apocalyptic number.

1461387738760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1461387738760 is an abundant number, since it is smaller than the sum of its proper divisors (1979299116920).

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

1461387738760 is a wasteful number, since it uses less digits than its factorization.

1461387738760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16144478 (or 16144474 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 61.

The spelling of 1461387738760 in words is "one trillion, four hundred sixty-one billion, three hundred eighty-seven million, seven hundred thirty-eight thousand, seven hundred sixty".