40621180 has 12 divisors (see below), whose sum is σ = 85304520. Its totient is φ = 16248464.

The previous prime is 40621121. The next prime is 40621223. The reversal of 40621180 is 8112604.

It is a congruent number.

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, 1015510 + ... + 1015549.

It is an arithmetic number, because the mean of its divisors is an integer number (7108710).

Almost surely, 2^40621180 is an apocalyptic number.

It is an amenable number.

40621180 is an abundant number, since it is smaller than the sum of its proper divisors (44683340).

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

40621180 is a wasteful number, since it uses less digits than its factorization.

40621180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031068 (or 2031066 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 40621180 is about 6373.4747194917. The cubic root of 40621180 is about 343.7564415322.

Adding to 40621180 its reverse (8112604), we get a palindrome (48733784).

The spelling of 40621180 in words is "forty million, six hundred twenty-one thousand, one hundred eighty".