694923368040 has 1920 divisors, whose sum is σ = 2913766732800. Its totient is φ = 146893824000.

The previous prime is 694923368003. The next prime is 694923368053. The reversal of 694923368040 is 40863329496.

694923368040 is a `hidden beast` number, since 6 + 9 + 492 + 3 + 36 + 80 + 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 16949350420 + ... + 16949350460.

It is an arithmetic number, because the mean of its divisors is an integer number (1517586840).

Almost surely, 2^694923368040 is an apocalyptic number.

694923368040 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 694923368040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456883366400).

694923368040 is an abundant number, since it is smaller than the sum of its proper divisors (2218843364760).

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

694923368040 is a wasteful number, since it uses less digits than its factorization.

694923368040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 54.

The spelling of 694923368040 in words is "six hundred ninety-four billion, nine hundred twenty-three million, three hundred sixty-eight thousand, forty".