42015005604 has 144 divisors (see below), whose sum is σ = 128144627520. Its totient is φ = 11434763520.

The previous prime is 42015005597. The next prime is 42015005611. The reversal of 42015005604 is 40650051024.

42015005604 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 50 + 0 + 5 + 604 = 666.

It is an interprime number because it is at equal distance from previous prime (42015005597) and next prime (42015005611).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80187 + ... + 300765.

Almost surely, 2^42015005604 is an apocalyptic number.

42015005604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42015005604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64072313760).

42015005604 is an abundant number, since it is smaller than the sum of its proper divisors (86129621916).

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

42015005604 is a wasteful number, since it uses less digits than its factorization.

42015005604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220650 (or 220645 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 42015005604 its reverse (40650051024), we get a palindrome (82665056628).

The spelling of 42015005604 in words is "forty-two billion, fifteen million, five thousand, six hundred four".