40879133 has 2 divisors, whose sum is σ = 40879134. Its totient is φ = 40879132.

The previous prime is 40879129. The next prime is 40879147. The reversal of 40879133 is 33197804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24581764 + 16297369 = 4958^2 + 4037^2 .

It is a cyclic number.

It is not a de Polignac number, because 40879133 - 2² = 40879129 is a prime.

It is a super-2 number, since 2×40879133² = 3342207029663378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40879093 and 40879102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40879733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20439566 + 20439567.

It is an arithmetic number, because the mean of its divisors is an integer number (20439567).

Almost surely, 2^40879133 is an apocalyptic number.

It is an amenable number.

40879133 is a deficient number, since it is larger than the sum of its proper divisors (1).

40879133 is an equidigital number, since it uses as much as digits as its factorization.

40879133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 40879133 is about 6393.6791442799. The cubic root of 40879133 is about 344.4825485152.

The spelling of 40879133 in words is "forty million, eight hundred seventy-nine thousand, one hundred thirty-three".