1061045136440 has 32 divisors (see below), whose sum is σ = 2387429819280. Its totient is φ = 424404141312.

The previous prime is 1061045136439. The next prime is 1061045136461. The reversal of 1061045136440 is 446315401601.

It is a super-2 number, since 2×1061045136440² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061045136440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847319 + ... + 1685241.

Almost surely, 2^{1061045136440} is an apocalyptic number.

1061045136440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061045136440 is an abundant number, since it is smaller than the sum of its proper divisors (1326384682840).

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

1061045136440 is a wasteful number, since it uses less digits than its factorization.

1061045136440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869591 (or 869587 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 1061045136440 in words is "one trillion, sixty-one billion, forty-five million, one hundred thirty-six thousand, four hundred forty".