40067496 has 144 divisors (see below), whose sum is σ = 129778740. Its totient is φ = 11128320.

The previous prime is 40067483. The next prime is 40067497. The reversal of 40067496 is 69476004.

It can be written as a sum of positive squares in 2 ways, for example, as 32148900 + 7918596 = 5670^2 + 2814^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40067496.

It is not an unprimeable number, because it can be changed into a prime (40067497) 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 in 35 ways as a sum of consecutive naturals, for example, 144510 + ... + 144786.

Almost surely, 2^40067496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40067496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64889370).

40067496 is an abundant number, since it is smaller than the sum of its proper divisors (89711244).

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

40067496 is a wasteful number, since it uses less digits than its factorization.

40067496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 40067496 is about 6329.8890985546. The cubic root of 40067496 is about 342.1874421342.

It can be divided in two parts, 400 and 67496, that added together give a triangular number (67896 = T₃₆₈).

The spelling of 40067496 in words is "forty million, sixty-seven thousand, four hundred ninety-six".