40813741 has 2 divisors, whose sum is σ = 40813742. Its totient is φ = 40813740.

The previous prime is 40813699. The next prime is 40813769. The reversal of 40813741 is 14731804.

It is an a-pointer prime, because the next prime (40813769) can be obtained adding 40813741 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40386025 + 427716 = 6355^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 40813741 - 2⁷ = 40813613 is a prime.

It is a super-2 number, since 2×40813741² = 3331522908830162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40813771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20406870 + 20406871.

It is an arithmetic number, because the mean of its divisors is an integer number (20406871).

Almost surely, 2^40813741 is an apocalyptic number.

It is an amenable number.

40813741 is a deficient number, since it is larger than the sum of its proper divisors (1).

40813741 is an equidigital number, since it uses as much as digits as its factorization.

40813741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 40813741 is about 6388.5632970176. The cubic root of 40813741 is about 344.2987675064.

The spelling of 40813741 in words is "forty million, eight hundred thirteen thousand, seven hundred forty-one".