42408046 has 8 divisors (see below), whose sum is σ = 63914184. Its totient is φ = 21103320.

The previous prime is 42408029. The next prime is 42408049. The reversal of 42408046 is 64080424.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42408049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49825 + ... + 50668.

It is an arithmetic number, because the mean of its divisors is an integer number (7989273).

Almost surely, 2^42408046 is an apocalyptic number.

42408046 is a deficient number, since it is larger than the sum of its proper divisors (21506138).

42408046 is a wasteful number, since it uses less digits than its factorization.

42408046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100706.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 42408046 is about 6512.1460364461. The cubic root of 42408046 is about 348.7247359473.

The spelling of 42408046 in words is "forty-two million, four hundred eight thousand, forty-six".