1090546644 has 72 divisors (see below), whose sum is σ = 2868705504. Its totient is φ = 319771200.

The previous prime is 1090546643. The next prime is 1090546661. The reversal of 1090546644 is 4466450901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090546643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122554 + ... + 131150.

It is an arithmetic number, because the mean of its divisors is an integer number (39843132).

Almost surely, 2^1090546644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090546644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434352752).

1090546644 is an abundant number, since it is smaller than the sum of its proper divisors (1778158860).

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

1090546644 is a wasteful number, since it uses less digits than its factorization.

1090546644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8677 (or 8644 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1090546644 is about 33023.4256854131. The cubic root of 1090546644 is about 1029.3144789677.

The spelling of 1090546644 in words is "one billion, ninety million, five hundred forty-six thousand, six hundred forty-four".