40469678 has 4 divisors (see below), whose sum is σ = 60704520. Its totient is φ = 20234838.

The previous prime is 40469659. The next prime is 40469683. The reversal of 40469678 is 87696404.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10117418 + ... + 10117421.

It is an arithmetic number, because the mean of its divisors is an integer number (15176130).

Almost surely, 2^40469678 is an apocalyptic number.

40469678 is a deficient number, since it is larger than the sum of its proper divisors (20234842).

40469678 is a wasteful number, since it uses less digits than its factorization.

40469678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20234841.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 40469678 is about 6361.5782632928. The cubic root of 40469678 is about 343.3285476025.

The spelling of 40469678 in words is "forty million, four hundred sixty-nine thousand, six hundred seventy-eight".