42465478 has 8 divisors (see below), whose sum is σ = 69489000. Its totient is φ = 19302480.

The previous prime is 42465461. The next prime is 42465481. The reversal of 42465478 is 87456424.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42465478.

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, 965103 + ... + 965146.

It is an arithmetic number, because the mean of its divisors is an integer number (8686125).

Almost surely, 2^42465478 is an apocalyptic number.

42465478 is a deficient number, since it is larger than the sum of its proper divisors (27023522).

42465478 is a wasteful number, since it uses less digits than its factorization.

42465478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930262.

The product of its digits is 215040, while the sum is 40.

The square root of 42465478 is about 6516.5541507763. The cubic root of 42465478 is about 348.8820875714.

The spelling of 42465478 in words is "forty-two million, four hundred sixty-five thousand, four hundred seventy-eight".