690603844080 has 40 divisors (see below), whose sum is σ = 2140871917392. Its totient is φ = 184161025024.

The previous prime is 690603843991. The next prime is 690603844141. The reversal of 690603844080 is 80448306096.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 1438757769 + ... + 1438758248.

Almost surely, 2^690603844080 is an apocalyptic number.

690603844080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

690603844080 is an abundant number, since it is smaller than the sum of its proper divisors (1450268073312).

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

690603844080 is a wasteful number, since it uses less digits than its factorization.

690603844080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877516033 (or 2877516027 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 690603844080 in words is "six hundred ninety billion, six hundred three million, eight hundred forty-four thousand, eighty".