40988141 has 2 divisors, whose sum is σ = 40988142. Its totient is φ = 40988140.

The previous prime is 40988131. The next prime is 40988161. The reversal of 40988141 is 14188904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31685641 + 9302500 = 5629^2 + 3050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40988141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40988131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20494070 + 20494071.

It is an arithmetic number, because the mean of its divisors is an integer number (20494071).

Almost surely, 2^40988141 is an apocalyptic number.

It is an amenable number.

40988141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40988141 is an equidigital number, since it uses as much as digits as its factorization.

40988141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 40988141 is about 6402.1981381397. The cubic root of 40988141 is about 344.7884749720.

The spelling of 40988141 in words is "forty million, nine hundred eighty-eight thousand, one hundred forty-one".