42001483509 has 24 divisors (see below), whose sum is σ = 62390390400. Its totient is φ = 27217080000.

The previous prime is 42001483457. The next prime is 42001483523. The reversal of 42001483509 is 90538410024.

42001483509 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 148 + 3 + 509 = 666.

It is not a de Polignac number, because 42001483509 - 2⁹ = 42001482997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42001483409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397117 + ... + 491634.

It is an arithmetic number, because the mean of its divisors is an integer number (2599599600).

Almost surely, 2^42001483509 is an apocalyptic number.

It is an amenable number.

42001483509 is a deficient number, since it is larger than the sum of its proper divisors (20388906891).

42001483509 is a wasteful number, since it uses less digits than its factorization.

42001483509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888905 (or 888902 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 42001483509 in words is "forty-two billion, one million, four hundred eighty-three thousand, five hundred nine".