40420328032842 has 8 divisors (see below), whose sum is σ = 80840656065696. Its totient is φ = 13473442677612.

The previous prime is 40420328032793. The next prime is 40420328032867. The reversal of 40420328032842 is 24823082302404.

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

40420328032842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 40420328032794 and 40420328032803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3368360669398 + ... + 3368360669409.

It is an arithmetic number, because the mean of its divisors is an integer number (10105082008212).

Almost surely, 2^{40420328032842} is an apocalyptic number.

40420328032842 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.

40420328032842 is a wasteful number, since it uses less digits than its factorization.

40420328032842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6736721338812.

The product of its (nonzero) digits is 589824, while the sum is 42.

The spelling of 40420328032842 in words is "forty trillion, four hundred twenty billion, three hundred twenty-eight million, thirty-two thousand, eight hundred forty-two".