694214040 has 128 divisors (see below), whose sum is σ = 2374868160. Its totient is φ = 160825344.

The previous prime is 694214033. The next prime is 694214047. The reversal of 694214040 is 40412496.

It is an interprime number because it is at equal distance from previous prime (694214033) and next prime (694214047).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 694213989 and 694214007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694214047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13432 + ... + 39608.

Almost surely, 2^694214040 is an apocalyptic number.

694214040 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 694214040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187434080).

694214040 is an abundant number, since it is smaller than the sum of its proper divisors (1680654120).

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

694214040 is a wasteful number, since it uses less digits than its factorization.

694214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26221 (or 26217 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 694214040 is about 26347.9418551051. The cubic root of 694214040 is about 885.4508603161.

The spelling of 694214040 in words is "six hundred ninety-four million, two hundred fourteen thousand, forty".