1040590660 has 24 divisors (see below), whose sum is σ = 2238540696. Its totient is φ = 406083840.

The previous prime is 1040590657. The next prime is 1040590703. The reversal of 1040590660 is 660950401.

It can be written as a sum of positive squares in 4 ways, for example, as 19660356 + 1020930304 = 4434^2 + 31952^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633687 + ... + 635326.

It is an arithmetic number, because the mean of its divisors is an integer number (93272529).

Almost surely, 2^1040590660 is an apocalyptic number.

1040590660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040590660 is an abundant number, since it is smaller than the sum of its proper divisors (1197950036).

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

1040590660 is a wasteful number, since it uses less digits than its factorization.

1040590660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269063 (or 1269061 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1040590660 is about 32258.1874878301. The cubic root of 1040590660 is about 1013.3511728835.

The spelling of 1040590660 in words is "one billion, forty million, five hundred ninety thousand, six hundred sixty".