40144602 has 8 divisors (see below), whose sum is σ = 80289216. Its totient is φ = 13381532.

The previous prime is 40144567. The next prime is 40144609. The reversal of 40144602 is 20644104.

40144602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

40144602 is an admirable number.

It is a super-2 number, since 2×40144602² = 3223178139476808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40144609) 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, 3345378 + ... + 3345389.

It is an arithmetic number, because the mean of its divisors is an integer number (10036152).

Almost surely, 2^40144602 is an apocalyptic number.

40144602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40144602 is a wasteful number, since it uses less digits than its factorization.

40144602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690772.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40144602 is about 6335.9767991999. The cubic root of 40144602 is about 342.4068036341.

Adding to 40144602 its reverse (20644104), we get a palindrome (60788706).

The spelling of 40144602 in words is "forty million, one hundred forty-four thousand, six hundred two".