69540393552 has 160 divisors (see below), whose sum is σ = 211429324800. Its totient is φ = 19279378944.

The previous prime is 69540393529. The next prime is 69540393553. The reversal of 69540393552 is 25539304596.

It is a junction number, because it is equal to n+sod(n) for n = 69540393495 and 69540393504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69540393553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4704349 + ... + 4719107.

It is an arithmetic number, because the mean of its divisors is an integer number (1321433280).

Almost surely, 2^69540393552 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 69540393552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105714662400).

69540393552 is an abundant number, since it is smaller than the sum of its proper divisors (141888931248).

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

69540393552 is a wasteful number, since it uses less digits than its factorization.

69540393552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15193 (or 15187 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 51.

The spelling of 69540393552 in words is "sixty-nine billion, five hundred forty million, three hundred ninety-three thousand, five hundred fifty-two".