40061799 has 12 divisors (see below), whose sum is σ = 58959576. Its totient is φ = 26203632.

The previous prime is 40061773. The next prime is 40061803. The reversal of 40061799 is 99716004.

It is not a de Polignac number, because 40061799 - 2⁸ = 40061543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40061759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41517 + ... + 42470.

It is an arithmetic number, because the mean of its divisors is an integer number (4913298).

Almost surely, 2^40061799 is an apocalyptic number.

40061799 is a deficient number, since it is larger than the sum of its proper divisors (18897777).

40061799 is a wasteful number, since it uses less digits than its factorization.

40061799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84046 (or 84043 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 40061799 is about 6329.4390746732. The cubic root of 40061799 is about 342.1712233829.

The spelling of 40061799 in words is "forty million, sixty-one thousand, seven hundred ninety-nine".