1040400024 has 32 divisors (see below), whose sum is σ = 2737896000. Its totient is φ = 328547232.

The previous prime is 1040400001. The next prime is 1040400073. The reversal of 1040400024 is 4200040401.

1040400024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1040399976 and 1040400012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140334 + ... + 1141245.

It is an arithmetic number, because the mean of its divisors is an integer number (85559250).

Almost surely, 2^1040400024 is an apocalyptic number.

It is an amenable number.

1040400024 is an abundant number, since it is smaller than the sum of its proper divisors (1697495976).

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

1040400024 is a wasteful number, since it uses less digits than its factorization.

1040400024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281607 (or 2281603 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1040400024 is about 32255.2325057501. The cubic root of 1040400024 is about 1013.2892871937.

Adding to 1040400024 its reverse (4200040401), we get a palindrome (5240440425).

The spelling of 1040400024 in words is "one billion, forty million, four hundred thousand, twenty-four".