1240004441 has 8 divisors (see below), whose sum is σ = 1336959624. Its totient is φ = 1143273600.

The previous prime is 1240004341. The next prime is 1240004449. The reversal of 1240004441 is 1444000421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 512569600 + 727434841 = 22640^2 + 26971^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240004441 is a prime.

It is a super-2 number, since 2×1240004441² = 3075222027399444962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1240004449) 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, 44510 + ... + 66791.

It is an arithmetic number, because the mean of its divisors is an integer number (167119953).

Almost surely, 2^1240004441 is an apocalyptic number.

It is an amenable number.

1240004441 is a deficient number, since it is larger than the sum of its proper divisors (96955183).

1240004441 is a wasteful number, since it uses less digits than its factorization.

1240004441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112171.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1240004441 is about 35213.6967812242. The cubic root of 1240004441 is about 1074.3383535495.

Adding to 1240004441 its reverse (1444000421), we get a palindrome (2684004862).

The spelling of 1240004441 in words is "one billion, two hundred forty million, four thousand, four hundred forty-one".