40386224 has 10 divisors (see below), whose sum is σ = 78248340. Its totient is φ = 20193104.

The previous prime is 40386221. The next prime is 40386233. The reversal of 40386224 is 42268304.

It is not an unprimeable number, because it can be changed into a prime (40386221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262054 + ... + 1262085.

It is an arithmetic number, because the mean of its divisors is an integer number (7824834).

Almost surely, 2^40386224 is an apocalyptic number.

It is an amenable number.

40386224 is a deficient number, since it is larger than the sum of its proper divisors (37862116).

40386224 is a wasteful number, since it uses less digits than its factorization.

40386224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524147 (or 2524141 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 40386224 is about 6355.0156569437. The cubic root of 40386224 is about 343.0923884211.

The spelling of 40386224 in words is "forty million, three hundred eighty-six thousand, two hundred twenty-four".