699486040 has 64 divisors (see below), whose sum is σ = 1726025760. Its totient is φ = 253009920.

The previous prime is 699486023. The next prime is 699486049. The reversal of 699486040 is 40684996.

699486040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699486049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80802 + ... + 89038.

Almost surely, 2^699486040 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 699486040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863012880).

699486040 is an abundant number, since it is smaller than the sum of its proper divisors (1026539720).

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

699486040 is a wasteful number, since it uses less digits than its factorization.

699486040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8452 (or 8448 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 699486040 is about 26447.7983960858. The cubic root of 699486040 is about 887.6866403740.

The spelling of 699486040 in words is "six hundred ninety-nine million, four hundred eighty-six thousand, forty".