40742536 has 16 divisors (see below), whose sum is σ = 80413200. Its totient is φ = 19299024.

The previous prime is 40742521. The next prime is 40742539. The reversal of 40742536 is 63524704.

40742536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40742536² = 3319908479422592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40742498 and 40742507.

It is not an unprimeable number, because it can be changed into a prime (40742539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133870 + ... + 134173.

It is an arithmetic number, because the mean of its divisors is an integer number (5025825).

Almost surely, 2^40742536 is an apocalyptic number.

It is an amenable number.

40742536 is a deficient number, since it is larger than the sum of its proper divisors (39670664).

40742536 is a wasteful number, since it uses less digits than its factorization.

40742536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268068 (or 268064 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 40742536 is about 6382.9880150287. The cubic root of 40742536 is about 344.0984259548.

The spelling of 40742536 in words is "forty million, seven hundred forty-two thousand, five hundred thirty-six".