1101002040 has 48 divisors (see below), whose sum is σ = 3578257800. Its totient is φ = 293600448.

The previous prime is 1101002033. The next prime is 1101002047. The reversal of 1101002040 is 402001011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1101002033) and next prime (1101002047).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101002047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1528810 + ... + 1529529.

Almost surely, 2^1101002040 is an apocalyptic number.

1101002040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101002040 is an abundant number, since it is smaller than the sum of its proper divisors (2477255760).

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

1101002040 is a wasteful number, since it uses less digits than its factorization.

1101002040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058356 (or 3058349 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1101002040 is about 33181.3507862474. The cubic root of 1101002040 is about 1032.5934706188.

Adding to 1101002040 its reverse (402001011), we get a palindrome (1503003051).

The spelling of 1101002040 in words is "one billion, one hundred one million, two thousand, forty".