40198433842 has 8 divisors (see below), whose sum is σ = 68911600896. Its totient is φ = 17227900212.

The previous prime is 40198433837. The next prime is 40198433843. The reversal of 40198433842 is 24833489104.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 40198433792 and 40198433801.

It is not an unprimeable number, because it can be changed into a prime (40198433843) 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, 1435658338 + ... + 1435658365.

It is an arithmetic number, because the mean of its divisors is an integer number (8613950112).

Almost surely, 2^40198433842 is an apocalyptic number.

40198433842 is a deficient number, since it is larger than the sum of its proper divisors (28713167054).

40198433842 is a wasteful number, since it uses less digits than its factorization.

40198433842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871316712.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 40198433842 in words is "forty billion, one hundred ninety-eight million, four hundred thirty-three thousand, eight hundred forty-two".