1090877644 has 12 divisors (see below), whose sum is σ = 1917598144. Its totient is φ = 542992464.

The previous prime is 1090877633. The next prime is 1090877651. The reversal of 1090877644 is 4467780901.

It is a junction number, because it is equal to n+sod(n) for n = 1090877594 and 1090877603.

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, 610587 + ... + 612370.

Almost surely, 2^1090877644 is an apocalyptic number.

It is an amenable number.

1090877644 is a deficient number, since it is larger than the sum of its proper divisors (826720500).

1090877644 is a wasteful number, since it uses less digits than its factorization.

1090877644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223184 (or 1223182 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 1090877644 is about 33028.4368991328. The cubic root of 1090877644 is about 1029.4186067555.

The spelling of 1090877644 in words is "one billion, ninety million, eight hundred seventy-seven thousand, six hundred forty-four".