42420554154 has 96 divisors (see below), whose sum is σ = 102804339456. Its totient is φ = 12531548160.

The previous prime is 42420554153. The next prime is 42420554179. The reversal of 42420554154 is 45145502424.

42420554154 is a `hidden beast` number, since 42 + 4 + 20 + 5 + 541 + 54 = 666.

It is not an unprimeable number, because it can be changed into a prime (42420554153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2382774 + ... + 2400510.

It is an arithmetic number, because the mean of its divisors is an integer number (1070878536).

Almost surely, 2^42420554154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42420554154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51402169728).

42420554154 is an abundant number, since it is smaller than the sum of its proper divisors (60383785302).

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

42420554154 is a wasteful number, since it uses less digits than its factorization.

42420554154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18060 (or 18057 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 42420554154 in words is "forty-two billion, four hundred twenty million, five hundred fifty-four thousand, one hundred fifty-four".