69240445272 has 48 divisors (see below), whose sum is σ = 194471626440. Its totient is φ = 23080147776.

The previous prime is 69240445249. The next prime is 69240445279. The reversal of 69240445272 is 27254404296.

69240445272 is a `hidden beast` number, since 6 + 92 + 40 + 4 + 452 + 72 = 666.

It is a super-2 number, since 2×69240445272² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69240445279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17806813 + ... + 17810700.

Almost surely, 2^69240445272 is an apocalyptic number.

It is an amenable number.

69240445272 is an abundant number, since it is smaller than the sum of its proper divisors (125231181168).

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

69240445272 is a wasteful number, since it uses less digits than its factorization.

69240445272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35617534 (or 35617518 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 69240445272 in words is "sixty-nine billion, two hundred forty million, four hundred forty-five thousand, two hundred seventy-two".