690593052240 has 1440 divisors, whose sum is σ = 3210917988096. Its totient is φ = 131139993600.

The previous prime is 690593052203. The next prime is 690593052271. The reversal of 690593052240 is 42250395096.

690593052240 is a `hidden beast` number, since 6 + 9 + 0 + 59 + 30 + 522 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 287 ways as a sum of consecutive naturals, for example, 179326315 + ... + 179330165.

Almost surely, 2^690593052240 is an apocalyptic number.

690593052240 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 690593052240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605458994048).

690593052240 is an abundant number, since it is smaller than the sum of its proper divisors (2520324935856).

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

690593052240 is a wasteful number, since it uses less digits than its factorization.

690593052240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937 (or 3921 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 690593052240 in words is "six hundred ninety billion, five hundred ninety-three million, fifty-two thousand, two hundred forty".