694026144 has 240 divisors, whose sum is σ = 2414966400. Its totient is φ = 191310336.

The previous prime is 694026121. The next prime is 694026161. The reversal of 694026144 is 441620496.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 694026099 and 694026108.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 525517 + ... + 526835.

It is an arithmetic number, because the mean of its divisors is an integer number (10062360).

Almost surely, 2^694026144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694026144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207483200).

694026144 is an abundant number, since it is smaller than the sum of its proper divisors (1720940256).

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

694026144 is a wasteful number, since it uses less digits than its factorization.

694026144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 694026144 is about 26344.3759463002. The cubic root of 694026144 is about 885.3709677192.

The spelling of 694026144 in words is "six hundred ninety-four million, twenty-six thousand, one hundred forty-four".