1040990210 has 16 divisors (see below), whose sum is σ = 2017919736. Its totient is φ = 384365568.

The previous prime is 1040990201. The next prime is 1040990243. The reversal of 1040990210 is 120990401.

It can be written as a sum of positive squares in 4 ways, for example, as 759388249 + 281601961 = 27557^2 + 16781^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1040990210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4003679 + ... + 4003938.

Almost surely, 2^1040990210 is an apocalyptic number.

1040990210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040990210 is a deficient number, since it is larger than the sum of its proper divisors (976929526).

1040990210 is a wasteful number, since it uses less digits than its factorization.

1040990210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8007637.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1040990210 is about 32264.3798948624. The cubic root of 1040990210 is about 1013.4808532875.

The spelling of 1040990210 in words is "one billion, forty million, nine hundred ninety thousand, two hundred ten".