1440091031480 has 16 divisors (see below), whose sum is σ = 3240204820920. Its totient is φ = 576036412576.

The previous prime is 1440091031461. The next prime is 1440091031501. The reversal of 1440091031480 is 841301900441.

It is a super-3 number, since 3×1440091031480³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1440091031480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18001137854 + ... + 18001137933.

Almost surely, 2^{1440091031480} is an apocalyptic number.

1440091031480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1440091031480 is an abundant number, since it is smaller than the sum of its proper divisors (1800113789440).

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

1440091031480 is a wasteful number, since it uses less digits than its factorization.

1440091031480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36002275798 (or 36002275794 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 1440091031480 in words is "one trillion, four hundred forty billion, ninety-one million, thirty-one thousand, four hundred eighty".