40144516 has 12 divisors (see below), whose sum is σ = 70494732. Its totient is φ = 20003168.

The previous prime is 40144501. The next prime is 40144529. The reversal of 40144516 is 61544104.

It can be written as a sum of positive squares in 2 ways, for example, as 24462916 + 15681600 = 4946^2 + 3960^2 .

It is a super-2 number, since 2×40144516² = 3223164329748512, which contains 22 as substring.

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, 15955 + ... + 18298.

It is an arithmetic number, because the mean of its divisors is an integer number (5874561).

Almost surely, 2^40144516 is an apocalyptic number.

It is an amenable number.

40144516 is a deficient number, since it is larger than the sum of its proper divisors (30350216).

40144516 is a wasteful number, since it uses less digits than its factorization.

40144516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34550 (or 34548 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40144516 is about 6335.9700125553. The cubic root of 40144516 is about 342.4065591263.

The spelling of 40144516 in words is "forty million, one hundred forty-four thousand, five hundred sixteen".