1090049378 has 16 divisors (see below), whose sum is σ = 1831927104. Its totient is φ = 482085360.

The previous prime is 1090049353. The next prime is 1090049381. The reversal of 1090049378 is 8739400901.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668750 + ... + 670377.

It is an arithmetic number, because the mean of its divisors is an integer number (114495444).

Almost surely, 2^1090049378 is an apocalyptic number.

1090049378 is a deficient number, since it is larger than the sum of its proper divisors (741877726).

1090049378 is a wasteful number, since it uses less digits than its factorization.

1090049378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339177.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1090049378 is about 33015.8958382171. The cubic root of 1090049378 is about 1029.1580067028.

The spelling of 1090049378 in words is "one billion, ninety million, forty-nine thousand, three hundred seventy-eight".