40018276 has 9 divisors (see below), whose sum is σ = 70054131. Its totient is φ = 20002812.

The previous prime is 40018261. The next prime is 40018283. The reversal of 40018276 is 67281004.

The square root of 40018276 is 6326.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11071 + ... + 14233.

Almost surely, 2^40018276 is an apocalyptic number.

40018276 is the 6326-th square number.

It is an amenable number.

40018276 is a deficient number, since it is larger than the sum of its proper divisors (30035855).

40018276 is an frugal number, since it uses more digits than its factorization.

40018276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The cubic root of 40018276 is about 342.0472672720.

The spelling of 40018276 in words is "forty million, eighteen thousand, two hundred seventy-six".