4191440454 has 12 divisors (see below), whose sum is σ = 9081454356. Its totient is φ = 1397146812.

The previous prime is 4191440411. The next prime is 4191440497. The reversal of 4191440454 is 4540441914.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4191440411) and next prime (4191440497).

It is a super-2 number, since 2×4191440454² = 35136346158855452232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116428884 + ... + 116428919.

It is an arithmetic number, because the mean of its divisors is an integer number (756787863).

Almost surely, 2^4191440454 is an apocalyptic number.

4191440454 is an abundant number, since it is smaller than the sum of its proper divisors (4890013902).

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

4191440454 is a wasteful number, since it uses less digits than its factorization.

4191440454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232857811 (or 232857808 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 4191440454 is about 64741.3349723343. The cubic root of 4191440454 is about 1612.3318516570.

The spelling of 4191440454 in words is "four billion, one hundred ninety-one million, four hundred forty thousand, four hundred fifty-four".