1080523290 has 256 divisors, whose sum is σ = 3397386240. Its totient is φ = 213408000.

The previous prime is 1080523277. The next prime is 1080523291. The reversal of 1080523290 is 923250801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1080523291) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5657095 + ... + 5657285.

It is an arithmetic number, because the mean of its divisors is an integer number (13271040).

Almost surely, 2^1080523290 is an apocalyptic number.

1080523290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1080523290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698693120).

1080523290 is an abundant number, since it is smaller than the sum of its proper divisors (2316862950).

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

1080523290 is a wasteful number, since it uses less digits than its factorization.

1080523290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1080523290 is about 32871.3140899478. The cubic root of 1080523290 is about 1026.1512474192.

The spelling of 1080523290 in words is "one billion, eighty million, five hundred twenty-three thousand, two hundred ninety".