1055389290 has 16 divisors (see below), whose sum is σ = 2532934368. Its totient is φ = 281437136.

The previous prime is 1055389289. The next prime is 1055389301. The reversal of 1055389290 is 929835501.

It is a super-2 number, since 2×1055389290² = 2227693106893408200, which contains 22 as substring.

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, 17589792 + ... + 17589851.

It is an arithmetic number, because the mean of its divisors is an integer number (158308398).

Almost surely, 2^1055389290 is an apocalyptic number.

1055389290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055389290 is an abundant number, since it is smaller than the sum of its proper divisors (1477545078).

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

1055389290 is a wasteful number, since it uses less digits than its factorization.

1055389290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35179653.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 1055389290 is about 32486.7556090170. The cubic root of 1055389290 is about 1018.1323281522.

The spelling of 1055389290 in words is "one billion, fifty-five million, three hundred eighty-nine thousand, two hundred ninety".