4571961408 has 196 divisors, whose sum is σ = 15546832000. Its totient is φ = 1306181376.

The previous prime is 4571961403. The next prime is 4571961467. The reversal of 4571961408 is 8041691754.

4571961408 is a `hidden beast` number, since 4 + 57 + 196 + 1 + 408 = 666.

It is a super-2 number, since 2×4571961408² = 41805662232482684928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4571961403) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 319593 + ... + 333591.

Almost surely, 2^4571961408 is an apocalyptic number.

4571961408 is a gapful number since it is divisible by the number (48) 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 4571961408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7773416000).

4571961408 is an abundant number, since it is smaller than the sum of its proper divisors (10974870592).

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

4571961408 is an equidigital number, since it uses as much as digits as its factorization.

4571961408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14036 (or 14011 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 4571961408 is about 67616.2806430522. The cubic root of 4571961408 is about 1659.7175461747.

The spelling of 4571961408 in words is "four billion, five hundred seventy-one million, nine hundred sixty-one thousand, four hundred eight".