40351472 has 40 divisors (see below), whose sum is σ = 94610016. Its totient is φ = 16275456.

The previous prime is 40351469. The next prime is 40351481. The reversal of 40351472 is 27415304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8693 + ... + 12500.

Almost surely, 2^40351472 is an apocalyptic number.

It is an amenable number.

40351472 is an abundant number, since it is smaller than the sum of its proper divisors (54258544).

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

40351472 is a wasteful number, since it uses less digits than its factorization.

40351472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21225 (or 21219 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 40351472 is about 6352.2808502144. The cubic root of 40351472 is about 342.9939508265.

Adding to 40351472 its reverse (27415304), we get a palindrome (67766776).

The spelling of 40351472 in words is "forty million, three hundred fifty-one thousand, four hundred seventy-two".