551224404045 has 24 divisors (see below), whose sum is σ = 1091949296256. Its totient is φ = 251988298848.

The previous prime is 551224404043. The next prime is 551224404061. The reversal of 551224404045 is 540404422155.

551224404045 is a `hidden beast` number, since 5 + 5 + 1 + 2 + 244 + 0 + 404 + 5 = 666.

It is not a de Polignac number, because 551224404045 - 2¹ = 551224404043 is a prime.

It is a super-2 number, since 2×551224404045² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551224404043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 874959057 + ... + 874959686.

It is an arithmetic number, because the mean of its divisors is an integer number (45497887344).

Almost surely, 2^551224404045 is an apocalyptic number.

It is an amenable number.

551224404045 is a deficient number, since it is larger than the sum of its proper divisors (540724892211).

551224404045 is a wasteful number, since it uses less digits than its factorization.

551224404045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749918761 (or 1749918758 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 551224404045 in words is "five hundred fifty-one billion, two hundred twenty-four million, four hundred four thousand, forty-five".