1090043955 has 144 divisors (see below), whose sum is σ = 2582877024. Its totient is φ = 418037760.

The previous prime is 1090043947. The next prime is 1090043963. The reversal of 1090043955 is 5593400901.

It is an interprime number because it is at equal distance from previous prime (1090043947) and next prime (1090043963).

It is not a de Polignac number, because 1090043955 - 2³ = 1090043947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 313587 + ... + 317043.

It is an arithmetic number, because the mean of its divisors is an integer number (17936646).

Almost surely, 2^1090043955 is an apocalyptic number.

1090043955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1090043955 is an abundant number, since it is smaller than the sum of its proper divisors (1492833069).

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

1090043955 is a wasteful number, since it uses less digits than its factorization.

1090043955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 1090043955 is about 33015.8137110082. The cubic root of 1090043955 is about 1029.1563000116.

The spelling of 1090043955 in words is "one billion, ninety million, forty-three thousand, nine hundred fifty-five".