1090034040 has 128 divisors (see below), whose sum is σ = 3348034560. Its totient is φ = 283805184.

The previous prime is 1090034017. The next prime is 1090034051. The reversal of 1090034040 is 404300901.

It is a junction number, because it is equal to n+sod(n) for n = 1090033998 and 1090034016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2333887 + ... + 2334353.

It is an arithmetic number, because the mean of its divisors is an integer number (26156520).

Almost surely, 2^1090034040 is an apocalyptic number.

1090034040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090034040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674017280).

1090034040 is an abundant number, since it is smaller than the sum of its proper divisors (2258000520).

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

1090034040 is a wasteful number, since it uses less digits than its factorization.

1090034040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1090034040 is about 33015.6635553490. The cubic root of 1090034040 is about 1029.1531796128.

Adding to 1090034040 its reverse (404300901), we get a palindrome (1494334941).

The spelling of 1090034040 in words is "one billion, ninety million, thirty-four thousand, forty".