699017040 has 100 divisors (see below), whose sum is σ = 2427812244. Its totient is φ = 186402816.

The previous prime is 699017029. The next prime is 699017057. The reversal of 699017040 is 40710996.

It can be written as a sum of positive squares in 2 ways, for example, as 529184016 + 169833024 = 23004^2 + 13032^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 699016986 and 699017004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47457 + ... + 60416.

Almost surely, 2^699017040 is an apocalyptic number.

699017040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

699017040 is an abundant number, since it is smaller than the sum of its proper divisors (1728795204).

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

699017040 is a wasteful number, since it uses less digits than its factorization.

699017040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107898 (or 107883 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 699017040 is about 26438.9303868368. The cubic root of 699017040 is about 887.4882003324.

It can be divided in two parts, 69 and 9017040, that added together give a palindrome (9017109).

The spelling of 699017040 in words is "six hundred ninety-nine million, seventeen thousand, forty".