42425906355 has 128 divisors (see below), whose sum is σ = 88601610240. Its totient is φ = 18858147840.

The previous prime is 42425906351. The next prime is 42425906359. The reversal of 42425906355 is 55360952424.

42425906355 is a `hidden beast` number, since 4 + 2 + 4 + 2 + 5 + 9 + 0 + 635 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (42425906351) and next prime (42425906359).

It is not a de Polignac number, because 42425906355 - 2² = 42425906351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42425906355.

It is not an unprimeable number, because it can be changed into a prime (42425906351) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9465715 + ... + 9470195.

It is an arithmetic number, because the mean of its divisors is an integer number (692200080).

Almost surely, 2^42425906355 is an apocalyptic number.

42425906355 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42425906355 is an abundant number, since it is smaller than the sum of its proper divisors (46175703885).

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

42425906355 is a wasteful number, since it uses less digits than its factorization.

42425906355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778 (or 4772 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 42425906355 in words is "forty-two billion, four hundred twenty-five million, nine hundred six thousand, three hundred fifty-five".