42477838154 has 16 divisors (see below), whose sum is σ = 67475100168. Its totient is φ = 19986519552.

The previous prime is 42477838111. The next prime is 42477838187. The reversal of 42477838154 is 45183877424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22348755025 + 20129083129 = 149495^2 + 141877^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42477838096 and 42477838105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139004 + ... + 322920.

Almost surely, 2^42477838154 is an apocalyptic number.

42477838154 is a deficient number, since it is larger than the sum of its proper divisors (24997262014).

42477838154 is a wasteful number, since it uses less digits than its factorization.

42477838154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190729.

The product of its digits is 6021120, while the sum is 53.

The spelling of 42477838154 in words is "forty-two billion, four hundred seventy-seven million, eight hundred thirty-eight thousand, one hundred fifty-four".