2040182509 has 16 divisors (see below), whose sum is σ = 2231792640. Its totient is φ = 1859760000.

The previous prime is 2040182503. The next prime is 2040182531. The reversal of 2040182509 is 9052810402.

It is a de Polignac number, because none of the positive numbers 2^k-2040182509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040182503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9184 + ... + 64534.

It is an arithmetic number, because the mean of its divisors is an integer number (139487040).

Almost surely, 2^2040182509 is an apocalyptic number.

2040182509 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2040182509 is a deficient number, since it is larger than the sum of its proper divisors (191610131).

2040182509 is a wasteful number, since it uses less digits than its factorization.

2040182509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55452.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 2040182509 is about 45168.3795259471. The cubic root of 2040182509 is about 1268.3029618123.

The spelling of 2040182509 in words is "two billion, forty million, one hundred eighty-two thousand, five hundred nine".