1061654004440 has 32 divisors (see below), whose sum is σ = 2390197086000. Its totient is φ = 424399277184.

The previous prime is 1061654004409. The next prime is 1061654004449. The reversal of 1061654004440 is 444004561601.

1061654004440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1061654004440² (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 1061654004440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061654004449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8132075 + ... + 8261594.

Almost surely, 2^{1061654004440} is an apocalyptic number.

1061654004440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061654004440 is an abundant number, since it is smaller than the sum of its proper divisors (1328543081560).

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

1061654004440 is a wasteful number, since it uses less digits than its factorization.

1061654004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16395299 (or 16395295 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 1061654004440 in words is "one trillion, sixty-one billion, six hundred fifty-four million, four thousand, four hundred forty".