40572180 has 144 divisors (see below), whose sum is σ = 138797568. Its totient is φ = 9504000.

The previous prime is 40572157. The next prime is 40572187. The reversal of 40572180 is 8127504.

It is a super-2 number, since 2×40572180² = 3292203579904800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40572187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61050 + ... + 61710.

It is an arithmetic number, because the mean of its divisors is an integer number (963872).

Almost surely, 2^40572180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40572180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69398784).

40572180 is an abundant number, since it is smaller than the sum of its proper divisors (98225388).

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

40572180 is a wasteful number, since it uses less digits than its factorization.

40572180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 40572180 is about 6369.6295025692. The cubic root of 40572180 is about 343.6181652028.

Adding to 40572180 its reverse (8127504), we get a palindrome (48699684).

The spelling of 40572180 in words is "forty million, five hundred seventy-two thousand, one hundred eighty".