40198846479 has 32 divisors (see below), whose sum is σ = 59683910400. Its totient is φ = 23860661760.

The previous prime is 40198846439. The next prime is 40198846549. The reversal of 40198846479 is 97464889104.

It is not a de Polignac number, because 40198846479 - 2⁸ = 40198846223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40198846439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485367 + ... + 562119.

It is an arithmetic number, because the mean of its divisors is an integer number (1865122200).

Almost surely, 2^40198846479 is an apocalyptic number.

40198846479 is a deficient number, since it is larger than the sum of its proper divisors (19485063921).

40198846479 is a wasteful number, since it uses less digits than its factorization.

40198846479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77095.

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 40198846479 in words is "forty billion, one hundred ninety-eight million, eight hundred forty-six thousand, four hundred seventy-nine".