40478134 has 8 divisors (see below), whose sum is σ = 60744528. Its totient is φ = 20229960.

The previous prime is 40478101. The next prime is 40478147. The reversal of 40478134 is 43187404.

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

It is a junction number, because it is equal to n+sod(n) for n = 40478096 and 40478105.

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, 5064 + ... + 10324.

It is an arithmetic number, because the mean of its divisors is an integer number (7593066).

Almost surely, 2^40478134 is an apocalyptic number.

40478134 is a deficient number, since it is larger than the sum of its proper divisors (20266394).

40478134 is a wasteful number, since it uses less digits than its factorization.

40478134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 40478134 is about 6362.2428435262. The cubic root of 40478134 is about 343.3524583768.

The spelling of 40478134 in words is "forty million, four hundred seventy-eight thousand, one hundred thirty-four".