690028620699264 has 256 divisors, whose sum is σ = 2286165290204160. Its totient is φ = 179149344768000.

The previous prime is 690028620699259. The next prime is 690028620699287. The reversal of 690028620699264 is 462996026820096.

It is a super-2 number, since 2×690028620699264² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62074539 + ... + 72341589.

It is an arithmetic number, because the mean of its divisors is an integer number (8930333164860).

Almost surely, 2^{690028620699264} is an apocalyptic number.

690028620699264 is a gapful number since it is divisible by the number (64) 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 690028620699264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143082645102080).

690028620699264 is an abundant number, since it is smaller than the sum of its proper divisors (1596136669504896).

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

690028620699264 is a wasteful number, since it uses less digits than its factorization.

690028620699264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10269359 (or 10269347 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 69.

The spelling of 690028620699264 in words is "six hundred ninety trillion, twenty-eight billion, six hundred twenty million, six hundred ninety-nine thousand, two hundred sixty-four".