4044230425640 has 32 divisors (see below), whose sum is σ = 9111475843560. Its totient is φ = 1615566412800.

The previous prime is 4044230425633. The next prime is 4044230425661. The reversal of 4044230425640 is 465240324404.

It can be written as a sum of positive squares in 4 ways, for example, as 1414857912484 + 2629372513156 = 1189478^2 + 1621534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4044230425594 and 4044230425603.

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, 66399101 + ... + 66459980.

Almost surely, 2^{4044230425640} is an apocalyptic number.

4044230425640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044230425640 is an abundant number, since it is smaller than the sum of its proper divisors (5067245417920).

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

4044230425640 is a wasteful number, since it uses less digits than its factorization.

4044230425640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132859853 (or 132859849 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 38.

The spelling of 4044230425640 in words is "four trillion, forty-four billion, two hundred thirty million, four hundred twenty-five thousand, six hundred forty".