1010909540 has 24 divisors (see below), whose sum is σ = 2158894080. Its totient is φ = 397509728.

The previous prime is 1010909531. The next prime is 1010909551. The reversal of 1010909540 is 459090101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427172 + ... + 429531.

It is an arithmetic number, because the mean of its divisors is an integer number (89953920).

Almost surely, 2^1010909540 is an apocalyptic number.

1010909540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010909540 is an abundant number, since it is smaller than the sum of its proper divisors (1147984540).

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

1010909540 is a wasteful number, since it uses less digits than its factorization.

1010909540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856771 (or 856769 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 1010909540 is about 31794.8036634919. The cubic root of 1010909540 is about 1003.6233686759.

Adding to 1010909540 its reverse (459090101), we get a palindrome (1469999641).

The spelling of 1010909540 in words is "one billion, ten million, nine hundred nine thousand, five hundred forty".