69490455552 has 352 divisors, whose sum is σ = 249043587840. Its totient is φ = 18685624320.

The previous prime is 69490455547. The next prime is 69490455689. The reversal of 69490455552 is 25555409496.

69490455552 is a `hidden beast` number, since 6 + 9 + 49 + 0 + 45 + 5 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3279552 + ... + 3300672.

Almost surely, 2^69490455552 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 69490455552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124521793920).

69490455552 is an abundant number, since it is smaller than the sum of its proper divisors (179553132288).

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

69490455552 is a wasteful number, since it uses less digits than its factorization.

69490455552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21174 (or 21150 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 69490455552 in words is "sixty-nine billion, four hundred ninety million, four hundred fifty-five thousand, five hundred fifty-two".