553138156791440 has 40 divisors (see below), whose sum is σ = 1402959506773248. Its totient is φ = 201141147923840.

The previous prime is 553138156791439. The next prime is 553138156791497. The reversal of 553138156791440 is 44197651831355.

It is a tau number, because it is divible by the number of its divisors (40).

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, 314283042752 + ... + 314283044511.

Almost surely, 2^{553138156791440} is an apocalyptic number.

It is an amenable number.

553138156791440 is an abundant number, since it is smaller than the sum of its proper divisors (849821349981808).

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

553138156791440 is a wasteful number, since it uses less digits than its factorization.

553138156791440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628566087287 (or 628566087281 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 62.

The spelling of 553138156791440 in words is "five hundred fifty-three trillion, one hundred thirty-eight billion, one hundred fifty-six million, seven hundred ninety-one thousand, four hundred forty".