1924740040 has 32 divisors (see below), whose sum is σ = 4346324280. Its totient is φ = 767112192.

The previous prime is 1924740029. The next prime is 1924740049. The reversal of 1924740040 is 400474291.

It can be written as a sum of positive squares in 4 ways, for example, as 1631028996 + 293711044 = 40386^2 + 17138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1924739984 and 1924740011.

It is not an unprimeable number, because it can be changed into a prime (1924740049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75777 + ... + 97936.

Almost surely, 2^1924740040 is an apocalyptic number.

1924740040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1924740040 is an abundant number, since it is smaller than the sum of its proper divisors (2421584240).

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

1924740040 is a wasteful number, since it uses less digits than its factorization.

1924740040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174001 (or 173997 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1924740040 is about 43871.8593177905. The cubic root of 1924740040 is about 1243.9149678406.

The spelling of 1924740040 in words is "one billion, nine hundred twenty-four million, seven hundred forty thousand, forty".