1011540044 has 12 divisors (see below), whose sum is σ = 1827298368. Its totient is φ = 489454800.

The previous prime is 1011540029. The next prime is 1011540059. The reversal of 1011540044 is 4400451101.

It is an interprime number because it is at equal distance from previous prime (1011540029) and next prime (1011540059).

It is a junction number, because it is equal to n+sod(n) for n = 1011539998 and 1011540025.

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 3 ways as a sum of consecutive naturals, for example, 4078667 + ... + 4078914.

It is an arithmetic number, because the mean of its divisors is an integer number (152274864).

Almost surely, 2^1011540044 is an apocalyptic number.

It is an amenable number.

1011540044 is a deficient number, since it is larger than the sum of its proper divisors (815758324).

1011540044 is a wasteful number, since it uses less digits than its factorization.

1011540044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157616 (or 8157614 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1011540044 is about 31804.7173230639. The cubic root of 1011540044 is about 1003.8319785176.

Adding to 1011540044 its reverse (4400451101), we get a palindrome (5411991145).

The spelling of 1011540044 in words is "one billion, eleven million, five hundred forty thousand, forty-four".