553244444340 has 96 divisors (see below), whose sum is σ = 1780163583744. Its totient is φ = 125757204480.

The previous prime is 553244444339. The next prime is 553244444429. The reversal of 553244444340 is 43444442355.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 553244444292 and 553244444301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3562789 + ... + 3714828.

It is an arithmetic number, because the mean of its divisors is an integer number (18543370664).

Almost surely, 2^553244444340 is an apocalyptic number.

It is an amenable number.

553244444340 is an abundant number, since it is smaller than the sum of its proper divisors (1226919139404).

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

553244444340 is a wasteful number, since it uses less digits than its factorization.

553244444340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277817 (or 7277815 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 42.

Adding to 553244444340 its reverse (43444442355), we get a palindrome (596688886695).

The spelling of 553244444340 in words is "five hundred fifty-three billion, two hundred forty-four million, four hundred forty-four thousand, three hundred forty".