696699012240 has 1280 divisors, whose sum is σ = 3071072010240. Its totient is φ = 140990699520.

The previous prime is 696699012203. The next prime is 696699012283. The reversal of 696699012240 is 42210996696.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1147774017 + ... + 1147774623.

It is an arithmetic number, because the mean of its divisors is an integer number (2399275008).

Almost surely, 2^696699012240 is an apocalyptic number.

696699012240 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 696699012240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535536005120).

696699012240 is an abundant number, since it is smaller than the sum of its proper divisors (2374372998000).

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

696699012240 is a wasteful number, since it uses less digits than its factorization.

696699012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 696699012240 in words is "six hundred ninety-six billion, six hundred ninety-nine million, twelve thousand, two hundred forty".