4191426720 has 576 divisors, whose sum is σ = 16273281024. Its totient is φ = 975421440.

The previous prime is 4191426713. The next prime is 4191426739. The reversal of 4191426720 is 276241914.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33003297 + ... + 33003423.

It is an arithmetic number, because the mean of its divisors is an integer number (28252224).

Almost surely, 2^4191426720 is an apocalyptic number.

4191426720 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 4191426720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8136640512).

4191426720 is an abundant number, since it is smaller than the sum of its proper divisors (12081854304).

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

4191426720 is a wasteful number, since it uses less digits than its factorization.

4191426720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 4191426720 is about 64741.2289039990. The cubic root of 4191426720 is about 1612.3300906244.

The spelling of 4191426720 in words is "four billion, one hundred ninety-one million, four hundred twenty-six thousand, seven hundred twenty".