3504405996 has 144 divisors (see below), whose sum is σ = 10989748224. Its totient is φ = 916852608.

The previous prime is 3504405929. The next prime is 3504406013. The reversal of 3504405996 is 6995044053.

3504405996 is a `hidden beast` number, since 3 + 50 + 4 + 4 + 0 + 599 + 6 = 666.

It is a super-2 number, since 2×3504405996² = 24561722769601504032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 411841 + ... + 420263.

It is an arithmetic number, because the mean of its divisors is an integer number (76317696).

Almost surely, 2^3504405996 is an apocalyptic number.

3504405996 is a gapful number since it is divisible by the number (36) 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 3504405996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5494874112).

3504405996 is an abundant number, since it is smaller than the sum of its proper divisors (7485342228).

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

3504405996 is a wasteful number, since it uses less digits than its factorization.

3504405996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8580 (or 8575 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 3504405996 is about 59198.0235818731. The cubic root of 3504405996 is about 1518.9313234914.

The spelling of 3504405996 in words is "three billion, five hundred four million, four hundred five thousand, nine hundred ninety-six".