42109488 has 30 divisors (see below), whose sum is σ = 117848484. Its totient is φ = 14036448.

The previous prime is 42109451. The next prime is 42109511. The reversal of 42109488 is 88490124.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146070 + ... + 146357.

Almost surely, 2^42109488 is an apocalyptic number.

42109488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42109488 is an abundant number, since it is smaller than the sum of its proper divisors (75738996).

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

42109488 is a wasteful number, since it uses less digits than its factorization.

42109488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292441 (or 292432 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 42109488 is about 6489.1823830125. The cubic root of 42109488 is about 347.9044525638.

The spelling of 42109488 in words is "forty-two million, one hundred nine thousand, four hundred eighty-eight".