696596256540 has 72 divisors (see below), whose sum is σ = 2128210222320. Its totient is φ = 184422599424.

The previous prime is 696596256497. The next prime is 696596256557. The reversal of 696596256540 is 45652695696.

696596256540 is a `hidden beast` number, since 6 + 9 + 6 + 5 + 9 + 62 + 565 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13895769 + ... + 13945808.

It is an arithmetic number, because the mean of its divisors is an integer number (29558475310).

Almost surely, 2^696596256540 is an apocalyptic number.

696596256540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

696596256540 is an abundant number, since it is smaller than the sum of its proper divisors (1431613965780).

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

696596256540 is a wasteful number, since it uses less digits than its factorization.

696596256540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27841731 (or 27841726 counting only the distinct ones).

The product of its (nonzero) digits is 104976000, while the sum is 63.

The spelling of 696596256540 in words is "six hundred ninety-six billion, five hundred ninety-six million, two hundred fifty-six thousand, five hundred forty".