694416240 has 360 divisors, whose sum is σ = 2817163440. Its totient is φ = 158723712.

The previous prime is 694416169. The next prime is 694416257. The reversal of 694416240 is 42614496.

It is a tau number, because it is divible by the number of its divisors (360).

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 = 694416195 and 694416204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 99202317 + ... + 99202323.

It is an arithmetic number, because the mean of its divisors is an integer number (7825454).

Almost surely, 2^694416240 is an apocalyptic number.

694416240 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 694416240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408581720).

694416240 is an abundant number, since it is smaller than the sum of its proper divisors (2122747200).

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

694416240 is an frugal number, since it uses more digits than its factorization.

694416240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 17 counting only the distinct ones).

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

The square root of 694416240 is about 26351.7786875953. The cubic root of 694416240 is about 885.5368188120.

The spelling of 694416240 in words is "six hundred ninety-four million, four hundred sixteen thousand, two hundred forty".