42605408154 has 32 divisors (see below), whose sum is σ = 86639204736. Its totient is φ = 13963907520.

The previous prime is 42605408147. The next prime is 42605408159. The reversal of 42605408154 is 45180450624.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42605408159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1062579 + ... + 1101945.

It is an arithmetic number, because the mean of its divisors is an integer number (2707475148).

Almost surely, 2^42605408154 is an apocalyptic number.

42605408154 is an abundant number, since it is smaller than the sum of its proper divisors (44033796582).

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

42605408154 is a wasteful number, since it uses less digits than its factorization.

42605408154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42390.

The product of its (nonzero) digits is 153600, while the sum is 39.

Adding to 42605408154 its reverse (45180450624), we get a palindrome (87785858778).

The spelling of 42605408154 in words is "forty-two billion, six hundred five million, four hundred eight thousand, one hundred fifty-four".