1000440413 has 8 divisors (see below), whose sum is σ = 1143947328. Its totient is φ = 857080224.

The previous prime is 1000440391. The next prime is 1000440439. The reversal of 1000440413 is 3140440001.

1000440413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000440413 - 2¹⁰ = 1000439389 is a prime.

It is a super-2 number, since 2×1000440413² = 2001762039927221138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000440391 and 1000440400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000440473) 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, 21656 + ... + 49697.

It is an arithmetic number, because the mean of its divisors is an integer number (142993416).

Almost surely, 2^1000440413 is an apocalyptic number.

It is an amenable number.

1000440413 is a deficient number, since it is larger than the sum of its proper divisors (143506915).

1000440413 is an equidigital number, since it uses as much as digits as its factorization.

1000440413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73363.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1000440413 is about 31629.7393760998. The cubic root of 1000440413 is about 1000.1467827871.

Adding to 1000440413 its reverse (3140440001), we get a palindrome (4140880414).

The spelling of 1000440413 in words is "one billion, four hundred forty thousand, four hundred thirteen".