4069949520 has 320 divisors, whose sum is σ = 15603001344. Its totient is φ = 854599680.

The previous prime is 4069949503. The next prime is 4069949539. The reversal of 4069949520 is 259499604.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 4069949520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7228759 + ... + 7229321.

Almost surely, 2^4069949520 is an apocalyptic number.

4069949520 is a gapful number since it is divisible by the number (40) 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 4069949520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7801500672).

4069949520 is an abundant number, since it is smaller than the sum of its proper divisors (11533051824).

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

4069949520 is a wasteful number, since it uses less digits than its factorization.

4069949520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 4069949520 is about 63796.1559970505. The cubic root of 4069949520 is about 1596.6007939045.

The spelling of 4069949520 in words is "four billion, sixty-nine million, nine hundred forty-nine thousand, five hundred twenty".