4191450078 has 8 divisors (see below), whose sum is σ = 8382900168. Its totient is φ = 1397150024.

The previous prime is 4191450073. The next prime is 4191450091. The reversal of 4191450078 is 8700541914.

It is a sphenic number, since it is the product of 3 distinct primes.

4191450078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4191450073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349287501 + ... + 349287512.

It is an arithmetic number, because the mean of its divisors is an integer number (1047862521).

Almost surely, 2^4191450078 is an apocalyptic number.

4191450078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4191450078 is a wasteful number, since it uses less digits than its factorization.

4191450078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698575018.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 4191450078 is about 64741.4092988406. The cubic root of 4191450078 is about 1612.3330856854. Note that the first 3 decimals are identical.

The spelling of 4191450078 in words is "four billion, one hundred ninety-one million, four hundred fifty thousand, seventy-eight".