696040527456400 has 225 divisors, whose sum is σ = 1950899983444043. Its totient is φ = 238633602009600.

The previous prime is 696040527456389. The next prime is 696040527456403. The reversal of 696040527456400 is 4654725040696.

The square root of 696040527456400 is 26382580.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 210667459014544 + 485373068441856 = 14514388^2 + 22031184^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696040527456403) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 25854914940 + ... + 25854941860.

Almost surely, 2^{696040527456400} is an apocalyptic number.

696040527456400 is the 26382580-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696040527456400

696040527456400 is an abundant number, since it is smaller than the sum of its proper divisors (1254859455987643).

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

696040527456400 is an frugal number, since it uses more digits than its factorization.

696040527456400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53888 (or 26935 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 696040527456400 in words is "six hundred ninety-six trillion, forty billion, five hundred twenty-seven million, four hundred fifty-six thousand, four hundred".