40136576 has 16 divisors (see below), whose sum is σ = 79959840. Its totient is φ = 20068224.

The previous prime is 40136573. The next prime is 40136617. The reversal of 40136576 is 67563104.

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

It is a super-2 number, since 2×40136576² = 3221889466007552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40136573) 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 as a sum of consecutive naturals, namely, 156656 + ... + 156911.

It is an arithmetic number, because the mean of its divisors is an integer number (4997490).

Almost surely, 2^40136576 is an apocalyptic number.

It is an amenable number.

40136576 is a deficient number, since it is larger than the sum of its proper divisors (39823264).

40136576 is an equidigital number, since it uses as much as digits as its factorization.

40136576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313581 (or 313569 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 40136576 is about 6335.3434003217. The cubic root of 40136576 is about 342.3839832960.

The spelling of 40136576 in words is "forty million, one hundred thirty-six thousand, five hundred seventy-six".