42404525205416 has 16 divisors (see below), whose sum is σ = 86736528829440. Its totient is φ = 19274784184240.

The previous prime is 42404525205397. The next prime is 42404525205487. The reversal of 42404525205416 is 61450252540424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 240934802216 + ... + 240934802391.

It is an arithmetic number, because the mean of its divisors is an integer number (5421033051840).

Almost surely, 2^{42404525205416} is an apocalyptic number.

It is an amenable number.

42404525205416 is an abundant number, since it is smaller than the sum of its proper divisors (44332003624024).

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

42404525205416 is a wasteful number, since it uses less digits than its factorization.

42404525205416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481869604624 (or 481869604620 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 44.

The spelling of 42404525205416 in words is "forty-two trillion, four hundred four billion, five hundred twenty-five million, two hundred five thousand, four hundred sixteen".