42087257154 has 16 divisors (see below), whose sum is σ = 93527238240. Its totient is φ = 14029085700.

The previous prime is 42087257131. The next prime is 42087257183. The reversal of 42087257154 is 45175278024.

42087257154 is a `hidden beast` number, since 4 + 2 + 0 + 8 + 72 + 571 + 5 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389696772 + ... + 389696879.

It is an arithmetic number, because the mean of its divisors is an integer number (5845452390).

Almost surely, 2^42087257154 is an apocalyptic number.

42087257154 is an abundant number, since it is smaller than the sum of its proper divisors (51439981086).

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

42087257154 is a wasteful number, since it uses less digits than its factorization.

42087257154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779393662 (or 779393656 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The spelling of 42087257154 in words is "forty-two billion, eighty-seven million, two hundred fifty-seven thousand, one hundred fifty-four".