240440044004 has 6 divisors (see below), whose sum is σ = 420770077014. Its totient is φ = 120220022000.

The previous prime is 240440043989. The next prime is 240440044067. The reversal of 240440044004 is 400440044042.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 188487959104 + 51952084900 = 434152^2 + 227930^2 .

It is a super-2 number, since 2×240440044004² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30055005497 + ... + 30055005504.

It is an arithmetic number, because the mean of its divisors is an integer number (70128346169).

Almost surely, 2^240440044004 is an apocalyptic number.

It is an amenable number.

240440044004 is a deficient number, since it is larger than the sum of its proper divisors (180330033010).

240440044004 is a wasteful number, since it uses less digits than its factorization.

240440044004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60110011005 (or 60110011003 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 240440044004 its reverse (400440044042), we get a palindrome (640880088046).

The spelling of 240440044004 in words is "two hundred forty billion, four hundred forty million, forty-four thousand, four".