40136352 has 24 divisors (see below), whose sum is σ = 105358176. Its totient is φ = 13378752.

The previous prime is 40136339. The next prime is 40136387. The reversal of 40136352 is 25363104.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×40136352² = 3221853503735808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 208948 + ... + 209139.

It is an arithmetic number, because the mean of its divisors is an integer number (4389924).

Almost surely, 2^40136352 is an apocalyptic number.

It is an amenable number.

40136352 is an abundant number, since it is smaller than the sum of its proper divisors (65221824).

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

40136352 is a wasteful number, since it uses less digits than its factorization.

40136352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418100 (or 418092 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 40136352 is about 6335.3257216973. The cubic root of 40136352 is about 342.3833463528.

Adding to 40136352 its reverse (25363104), we get a palindrome (65499456).

The spelling of 40136352 in words is "forty million, one hundred thirty-six thousand, three hundred fifty-two".