40161060 has 72 divisors (see below), whose sum is σ = 128244480. Its totient is φ = 10145088.

The previous prime is 40161049. The next prime is 40161061. The reversal of 40161060 is 6016104.

It is a super-2 number, since 2×40161060² = 3225821480647200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40161061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2452 + ... + 9291.

Almost surely, 2^40161060 is an apocalyptic number.

It is an amenable number.

40161060 is an abundant number, since it is smaller than the sum of its proper divisors (88083420).

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

40161060 is a wasteful number, since it uses less digits than its factorization.

40161060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11777 (or 11772 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 40161060 is about 6337.2754398085. The cubic root of 40161060 is about 342.4535891790.

Adding to 40161060 its reverse (6016104), we get a palindrome (46177164).

The spelling of 40161060 in words is "forty million, one hundred sixty-one thousand, sixty".