1044054531540 has 72 divisors (see below), whose sum is σ = 3173895564840. Its totient is φ = 277805297664.

The previous prime is 1044054531473. The next prime is 1044054531617. The reversal of 1044054531540 is 451354504401.

1044054531540 is a `hidden beast` number, since 1 + 0 + 4 + 40 + 5 + 45 + 31 + 540 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 77710482756 + 966344048784 = 278766^2 + 983028^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1044054531495 and 1044054531504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6263805 + ... + 6428324.

It is an arithmetic number, because the mean of its divisors is an integer number (44081882845).

Almost surely, 2^{1044054531540} is an apocalyptic number.

1044054531540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044054531540 is an abundant number, since it is smaller than the sum of its proper divisors (2129841033300).

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

1044054531540 is a wasteful number, since it uses less digits than its factorization.

1044054531540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12692601 (or 12692596 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 1044054531540 in words is "one trillion, forty-four billion, fifty-four million, five hundred thirty-one thousand, five hundred forty".