690936330400 has 144 divisors (see below), whose sum is σ = 1702922755968. Its totient is φ = 273728000000.

The previous prime is 690936330397. The next prime is 690936330419. The reversal of 690936330400 is 4033639096.

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 23 ways as a sum of consecutive naturals, for example, 212528775 + ... + 212532025.

It is an arithmetic number, because the mean of its divisors is an integer number (11825852472).

Almost surely, 2^690936330400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690936330400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851461377984).

690936330400 is an abundant number, since it is smaller than the sum of its proper divisors (1011986425568).

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

690936330400 is a wasteful number, since it uses less digits than its factorization.

690936330400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735 (or 5722 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 43.

Adding to 690936330400 its reverse (4033639096), we get a palindrome (694969969496).

The spelling of 690936330400 in words is "six hundred ninety billion, nine hundred thirty-six million, three hundred thirty thousand, four hundred".