3650699520 has 432 divisors, whose sum is σ = 14329748160. Its totient is φ = 850673664.

The previous prime is 3650699477. The next prime is 3650699623. The reversal of 3650699520 is 259960563.

3650699520 is a `hidden beast` number, since 3 + 6 + 506 + 99 + 52 + 0 = 666.

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

It is a nialpdrome in base 16.

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 47 ways as a sum of consecutive naturals, for example, 2844799 + ... + 2846081.

Almost surely, 2^3650699520 is an apocalyptic number.

3650699520 is a gapful number since it is divisible by the number (30) 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 3650699520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7164874080).

3650699520 is an abundant number, since it is smaller than the sum of its proper divisors (10679048640).

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

3650699520 is a wasteful number, since it uses less digits than its factorization.

3650699520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The square root of 3650699520 is about 60421.0188593340. The cubic root of 3650699520 is about 1539.7800776635.

The spelling of 3650699520 in words is "three billion, six hundred fifty million, six hundred ninety-nine thousand, five hundred twenty".