40204148 has 24 divisors (see below), whose sum is σ = 73463040. Its totient is φ = 19229760.

The previous prime is 40204147. The next prime is 40204189. The reversal of 40204148 is 84140204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9215 + ... + 12857.

It is an arithmetic number, because the mean of its divisors is an integer number (3060960).

Almost surely, 2^40204148 is an apocalyptic number.

It is an amenable number.

40204148 is a deficient number, since it is larger than the sum of its proper divisors (33258892).

40204148 is a wasteful number, since it uses less digits than its factorization.

40204148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767 (or 3765 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 40204148 is about 6340.6740966557. The cubic root of 40204148 is about 342.5760159475.

The spelling of 40204148 in words is "forty million, two hundred four thousand, one hundred forty-eight".