40419899 has 6 divisors (see below), whose sum is σ = 43768476. Its totient is φ = 37310520.

The previous prime is 40419853. The next prime is 40419913. The reversal of 40419899 is 99891404.

It is not a de Polignac number, because 40419899 - 2²⁰ = 39371323 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (40419839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119417 + ... + 119754.

It is an arithmetic number, because the mean of its divisors is an integer number (7294746).

Almost surely, 2^40419899 is an apocalyptic number.

40419899 is a deficient number, since it is larger than the sum of its proper divisors (3348577).

40419899 is a wasteful number, since it uses less digits than its factorization.

40419899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239197 (or 239184 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 40419899 is about 6357.6645869376. The cubic root of 40419899 is about 343.1877214769.

The spelling of 40419899 in words is "forty million, four hundred nineteen thousand, eight hundred ninety-nine".