42015455154 has 96 divisors (see below), whose sum is σ = 100389684096. Its totient is φ = 12644190720.

The previous prime is 42015455129. The next prime is 42015455177. The reversal of 42015455154 is 45155451024.

42015455154 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 54 + 551 + 54 = 666.

42015455154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 777729 + ... + 829995.

It is an arithmetic number, because the mean of its divisors is an integer number (1045725876).

Almost surely, 2^42015455154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42015455154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50194842048).

42015455154 is an abundant number, since it is smaller than the sum of its proper divisors (58374228942).

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

42015455154 is a wasteful number, since it uses less digits than its factorization.

42015455154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52400 (or 52397 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 42015455154 in words is "forty-two billion, fifteen million, four hundred fifty-five thousand, one hundred fifty-four".