40078411 has 2 divisors, whose sum is σ = 40078412. Its totient is φ = 40078410.

The previous prime is 40078369. The next prime is 40078417. The reversal of 40078411 is 11487004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40078411 - 2¹¹ = 40076363 is a prime.

It is a super-3 number, since 3×40078411³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (40078417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20039205 + 20039206.

It is an arithmetic number, because the mean of its divisors is an integer number (20039206).

Almost surely, 2^40078411 is an apocalyptic number.

40078411 is a deficient number, since it is larger than the sum of its proper divisors (1).

40078411 is an equidigital number, since it uses as much as digits as its factorization.

40078411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 40078411 is about 6330.7512192472. The cubic root of 40078411 is about 342.2185116810.

The spelling of 40078411 in words is "forty million, seventy-eight thousand, four hundred eleven".