1491754801380 has 48 divisors (see below), whose sum is σ = 4178433336000. Its totient is φ = 397656528768.

The previous prime is 1491754801379. The next prime is 1491754801393. The reversal of 1491754801380 is 831084571941.

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, 4357174 + ... + 4687053.

It is an arithmetic number, because the mean of its divisors is an integer number (87050694500).

Almost surely, 2^{1491754801380} is an apocalyptic number.

1491754801380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1491754801380 is an abundant number, since it is smaller than the sum of its proper divisors (2686678534620).

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

1491754801380 is a wasteful number, since it uses less digits than its factorization.

1491754801380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046988 (or 9046986 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 1491754801380 in words is "one trillion, four hundred ninety-one billion, seven hundred fifty-four million, eight hundred one thousand, three hundred eighty".