40193472 has 56 divisors (see below), whose sum is σ = 116019072. Its totient is φ = 12179200.

The previous prime is 40193431. The next prime is 40193477. The reversal of 40193472 is 27439104.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40193477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7404 + ... + 11627.

Almost surely, 2^40193472 is an apocalyptic number.

It is an amenable number.

40193472 is an abundant number, since it is smaller than the sum of its proper divisors (75825600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40193472 is a wasteful number, since it uses less digits than its factorization.

40193472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19057 (or 19047 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 40193472 is about 6339.8321744349. The cubic root of 40193472 is about 342.5456901768.

The spelling of 40193472 in words is "forty million, one hundred ninety-three thousand, four hundred seventy-two".