699935040 has 448 divisors, whose sum is σ = 2879262720. Its totient is φ = 156764160.

The previous prime is 699935017. The next prime is 699935051. The reversal of 699935040 is 40539996.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

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 (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4293999 + ... + 4294161.

Almost surely, 2^699935040 is an apocalyptic number.

699935040 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 699935040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439631360).

699935040 is an abundant number, since it is smaller than the sum of its proper divisors (2179327680).

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

699935040 is a wasteful number, since it uses less digits than its factorization.

699935040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 699935040 is about 26456.2854535553. The cubic root of 699935040 is about 887.8765350625.

The spelling of 699935040 in words is "six hundred ninety-nine million, nine hundred thirty-five thousand, forty".