553032213440 has 56 divisors (see below), whose sum is σ = 1505037672672. Its totient is φ = 189611043840.

The previous prime is 553032213431. The next prime is 553032213467. The reversal of 553032213440 is 44312230355.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 553032213397 and 553032213406.

It is a congruent number.

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, 123442451 + ... + 123446930.

Almost surely, 2^553032213440 is an apocalyptic number.

It is an amenable number.

553032213440 is an abundant number, since it is smaller than the sum of its proper divisors (952005459232).

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

553032213440 is a wasteful number, since it uses less digits than its factorization.

553032213440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246889405 (or 246889395 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 553032213440 its reverse (44312230355), we get a palindrome (597344443795).

The spelling of 553032213440 in words is "five hundred fifty-three billion, thirty-two million, two hundred thirteen thousand, four hundred forty".