42054961086 has 24 divisors (see below), whose sum is σ = 91123202664. Its totient is φ = 14017686480.

The previous prime is 42054961073. The next prime is 42054961099. The reversal of 42054961086 is 68016945024.

42054961086 is a `hidden beast` number, since 4 + 20 + 5 + 4 + 9 + 610 + 8 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (42054961073) and next prime (42054961099).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530241 + ... + 604371.

It is an arithmetic number, because the mean of its divisors is an integer number (3796800111).

Almost surely, 2^42054961086 is an apocalyptic number.

42054961086 is an abundant number, since it is smaller than the sum of its proper divisors (49068241578).

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

42054961086 is a wasteful number, since it uses less digits than its factorization.

42054961086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105656 (or 105653 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 42054961086 in words is "forty-two billion, fifty-four million, nine hundred sixty-one thousand, eighty-six".