1090454040 has 192 divisors, whose sum is σ = 3910364640. Its totient is φ = 261826560.

The previous prime is 1090454021. The next prime is 1090454059. The reversal of 1090454040 is 404540901.

It is an interprime number because it is at equal distance from previous prime (1090454021) and next prime (1090454059).

It is a junction number, because it is equal to n+sod(n) for n = 1090453995 and 1090454013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189039 + ... + 194721.

Almost surely, 2^1090454040 is an apocalyptic number.

1090454040 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 1090454040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1955182320).

1090454040 is an abundant number, since it is smaller than the sum of its proper divisors (2819910600).

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

1090454040 is a wasteful number, since it uses less digits than its factorization.

1090454040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754 (or 5747 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1090454040 is about 33022.0235600425. The cubic root of 1090454040 is about 1029.2853433237.

Adding to 1090454040 its reverse (404540901), we get a palindrome (1494994941).

The spelling of 1090454040 in words is "one billion, ninety million, four hundred fifty-four thousand, forty".