696587351040 has 1760 divisors, whose sum is σ = 3061649099520. Its totient is φ = 147913703424.

The previous prime is 696587351039. The next prime is 696587351069. The reversal of 696587351040 is 40153785696.

696587351040 is a `hidden beast` number, since 6 + 9 + 6 + 5 + 87 + 3 + 510 + 40 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4026516394 + ... + 4026516566.

It is an arithmetic number, because the mean of its divisors is an integer number (1739573352).

Almost surely, 2^696587351040 is an apocalyptic number.

696587351040 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 696587351040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1530824549760).

696587351040 is an abundant number, since it is smaller than the sum of its proper divisors (2365061748480).

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

696587351040 is a wasteful number, since it uses less digits than its factorization.

696587351040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 696587351040 in words is "six hundred ninety-six billion, five hundred eighty-seven million, three hundred fifty-one thousand, forty".