42381996 has 12 divisors (see below), whose sum is σ = 98891352. Its totient is φ = 14127328.

The previous prime is 42381979. The next prime is 42382061. The reversal of 42381996 is 69918324.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1765905 + ... + 1765928.

It is an arithmetic number, because the mean of its divisors is an integer number (8240946).

Almost surely, 2^42381996 is an apocalyptic number.

It is an amenable number.

42381996 is an abundant number, since it is smaller than the sum of its proper divisors (56509356).

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

42381996 is a wasteful number, since it uses less digits than its factorization.

42381996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531840 (or 3531838 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 42381996 is about 6510.1456204911. The cubic root of 42381996 is about 348.6533175811.

The spelling of 42381996 in words is "forty-two million, three hundred eighty-one thousand, nine hundred ninety-six".