551502453440 has 28 divisors (see below), whose sum is σ = 1313265218016. Its totient is φ = 220600981248.

The previous prime is 551502453421. The next prime is 551502453493. The reversal of 551502453440 is 44354205155.

It is a super-3 number, since 3×551502453440³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551502453394 and 551502453403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861722264 + ... + 861722903.

Almost surely, 2^551502453440 is an apocalyptic number.

It is an amenable number.

551502453440 is an abundant number, since it is smaller than the sum of its proper divisors (761762764576).

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

551502453440 is a wasteful number, since it uses less digits than its factorization.

551502453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723445184 (or 1723445174 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 551502453440 its reverse (44354205155), we get a palindrome (595856658595).

The spelling of 551502453440 in words is "five hundred fifty-one billion, five hundred two million, four hundred fifty-three thousand, four hundred forty".