40369147 has 16 divisors (see below), whose sum is σ = 49837312. Its totient is φ = 31842720.

The previous prime is 40369139. The next prime is 40369151. The reversal of 40369147 is 74196304.

It is a happy number.

It is not a de Polignac number, because 40369147 - 2³ = 40369139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40369127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49372 + ... + 50182.

It is an arithmetic number, because the mean of its divisors is an integer number (3114832).

Almost surely, 2^40369147 is an apocalyptic number.

40369147 is a deficient number, since it is larger than the sum of its proper divisors (9468165).

40369147 is a wasteful number, since it uses less digits than its factorization.

40369147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 40369147 is about 6353.6719304667. The cubic root of 40369147 is about 343.0440236229.

The spelling of 40369147 in words is "forty million, three hundred sixty-nine thousand, one hundred forty-seven".