42650478 has 96 divisors (see below), whose sum is σ = 107321760. Its totient is φ = 12130560.

The previous prime is 42650449. The next prime is 42650483. The reversal of 42650478 is 87405624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235548 + ... + 235728.

It is an arithmetic number, because the mean of its divisors is an integer number (1117935).

Almost surely, 2^42650478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42650478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53660880).

42650478 is an abundant number, since it is smaller than the sum of its proper divisors (64671282).

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

42650478 is a wasteful number, since it uses less digits than its factorization.

42650478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 42650478 is about 6530.7333432012. The cubic root of 42650478 is about 349.3879862322.

The spelling of 42650478 in words is "forty-two million, six hundred fifty thousand, four hundred seventy-eight".