8238402956442 has 64 divisors (see below), whose sum is σ = 16875753062400. Its totient is φ = 2679989719680.

The previous prime is 8238402956437. The next prime is 8238402956467. The reversal of 8238402956442 is 2446592048328.

It is a super-3 number, since 3×8238402956442³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146149059 + ... + 146205417.

It is an arithmetic number, because the mean of its divisors is an integer number (263683641600).

Almost surely, 2^{8238402956442} is an apocalyptic number.

8238402956442 is an abundant number, since it is smaller than the sum of its proper divisors (8637350105958).

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

8238402956442 is a wasteful number, since it uses less digits than its factorization.

8238402956442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57891.

The product of its (nonzero) digits is 26542080, while the sum is 57.

The spelling of 8238402956442 in words is "eight trillion, two hundred thirty-eight billion, four hundred two million, nine hundred fifty-six thousand, four hundred forty-two".