40180626 has 12 divisors (see below), whose sum is σ = 87058062. Its totient is φ = 13393536.

The previous prime is 40180607. The next prime is 40180633. The reversal of 40180626 is 62608104.

It can be written as a sum of positive squares in only one way, i.e., 39879225 + 301401 = 6315^2 + 549^2 .

It is a super-2 number, since 2×40180626² = 3228965411503752, 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 40180626.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1116111 + ... + 1116146.

Almost surely, 2^40180626 is an apocalyptic number.

40180626 is an abundant number, since it is smaller than the sum of its proper divisors (46877436).

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

40180626 is a wasteful number, since it uses less digits than its factorization.

40180626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232265 (or 2232262 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 40180626 is about 6338.8189751720. The cubic root of 40180626 is about 342.5091932816.

The spelling of 40180626 in words is "forty million, one hundred eighty thousand, six hundred twenty-six".