40369478 has 8 divisors (see below), whose sum is σ = 60582000. Its totient is φ = 20175480.

The previous prime is 40369477. The next prime is 40369489. The reversal of 40369478 is 87496304.

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 (40369477) 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, 4148 + ... + 9896.

It is an arithmetic number, because the mean of its divisors is an integer number (7572750).

Almost surely, 2^40369478 is an apocalyptic number.

40369478 is a deficient number, since it is larger than the sum of its proper divisors (20212522).

40369478 is a wasteful number, since it uses less digits than its factorization.

40369478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9262.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 40369478 is about 6353.6979783430. The cubic root of 40369478 is about 343.0449611975.

The spelling of 40369478 in words is "forty million, three hundred sixty-nine thousand, four hundred seventy-eight".