555238461440 has 104 divisors (see below), whose sum is σ = 1434903377208. Its totient is φ = 205011025920.

The previous prime is 555238461397. The next prime is 555238461467. The reversal of 555238461440 is 44164832555.

It can be written as a sum of positive squares in 4 ways, for example, as 102277156864 + 452961304576 = 319808^2 + 673024^2 .

It is a tau number, because it is divible by the number of its divisors (104).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776501 + ... + 1308980.

Almost surely, 2^555238461440 is an apocalyptic number.

It is an amenable number.

555238461440 is an abundant number, since it is smaller than the sum of its proper divisors (879664915768).

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

555238461440 is a wasteful number, since it uses less digits than its factorization.

555238461440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085523 (or 2085501 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 555238461440 in words is "five hundred fifty-five billion, two hundred thirty-eight million, four hundred sixty-one thousand, four hundred forty".