40144514 has 8 divisors (see below), whose sum is σ = 63758988. Its totient is φ = 18891520.

The previous prime is 40144501. The next prime is 40144529. The reversal of 40144514 is 41544104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36204289 + 3940225 = 6017^2 + 1985^2 .

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

It is a super-2 number, since 2×40144514² = 3223164008592392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40144514.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590327 + ... + 590394.

Almost surely, 2^40144514 is an apocalyptic number.

40144514 is a deficient number, since it is larger than the sum of its proper divisors (23614474).

40144514 is a wasteful number, since it uses less digits than its factorization.

40144514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180740.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 40144514 is about 6335.9698547263. The cubic root of 40144514 is about 342.4065534400.

Adding to 40144514 its reverse (41544104), we get a palindrome (81688618).

The spelling of 40144514 in words is "forty million, one hundred forty-four thousand, five hundred fourteen".