40153472 has 16 divisors (see below), whose sum is σ = 79993500. Its totient is φ = 20076672.

The previous prime is 40153447. The next prime is 40153481. The reversal of 40153472 is 27435104.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×40153472² = 3224602627309568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156722 + ... + 156977.

Almost surely, 2^40153472 is an apocalyptic number.

It is an amenable number.

40153472 is a deficient number, since it is larger than the sum of its proper divisors (39840028).

40153472 is an equidigital number, since it uses as much as digits as its factorization.

40153472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313713 (or 313701 counting only the distinct ones).

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

The square root of 40153472 is about 6336.6767315368. The cubic root of 40153472 is about 342.4320201807.

Adding to 40153472 its reverse (27435104), we get a palindrome (67588576).

The spelling of 40153472 in words is "forty million, one hundred fifty-three thousand, four hundred seventy-two".