69382574640 has 480 divisors, whose sum is σ = 264440681856. Its totient is φ = 16203939840.

The previous prime is 69382574633. The next prime is 69382574641. The reversal of 69382574640 is 4647528396.

69382574640 is a `hidden beast` number, since 6 + 9 + 3 + 8 + 2 + 574 + 64 + 0 = 666.

It is a super-2 number, since 2×69382574640² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69382574641) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10412910 + ... + 10419570.

Almost surely, 2^69382574640 is an apocalyptic number.

69382574640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69382574640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132220340928).

69382574640 is an abundant number, since it is smaller than the sum of its proper divisors (195058107216).

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

69382574640 is a wasteful number, since it uses less digits than its factorization.

69382574640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757 (or 6748 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 69382574640 in words is "sixty-nine billion, three hundred eighty-two million, five hundred seventy-four thousand, six hundred forty".