552178921040 has 80 divisors (see below), whose sum is σ = 1296329410560. Its totient is φ = 218725194240.

The previous prime is 552178921037. The next prime is 552178921043. The reversal of 552178921040 is 40129871255.

It is an interprime number because it is at equal distance from previous prime (552178921037) and next prime (552178921043).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 552178920982 and 552178921000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552178921043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5446331 + ... + 5546789.

It is an arithmetic number, because the mean of its divisors is an integer number (16204117632).

Almost surely, 2^552178921040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552178921040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648164705280).

552178921040 is an abundant number, since it is smaller than the sum of its proper divisors (744150489520).

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

552178921040 is a wasteful number, since it uses less digits than its factorization.

552178921040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101140 (or 101134 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 552178921040 in words is "five hundred fifty-two billion, one hundred seventy-eight million, nine hundred twenty-one thousand, forty".