42145890830 has 8 divisors (see below), whose sum is σ = 75862603512. Its totient is φ = 16858356328.

The previous prime is 42145890821. The next prime is 42145890859. The reversal of 42145890830 is 3809854124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42145890830² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2107294532 + ... + 2107294551.

It is an arithmetic number, because the mean of its divisors is an integer number (9482825439).

Almost surely, 2^42145890830 is an apocalyptic number.

42145890830 is a deficient number, since it is larger than the sum of its proper divisors (33716712682).

42145890830 is a wasteful number, since it uses less digits than its factorization.

42145890830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214589090.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 42145890830 in words is "forty-two billion, one hundred forty-five million, eight hundred ninety thousand, eight hundred thirty".