40407294 has 16 divisors (see below), whose sum is σ = 80884368. Its totient is φ = 13457472.

The previous prime is 40407287. The next prime is 40407299. The reversal of 40407294 is 49270404.

40407294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40407299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7474 + ... + 11690.

It is an arithmetic number, because the mean of its divisors is an integer number (5055273).

Almost surely, 2^40407294 is an apocalyptic number.

40407294 is an abundant number, since it is smaller than the sum of its proper divisors (40477074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40407294 is a wasteful number, since it uses less digits than its factorization.

40407294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40407294 is about 6356.6731865025. The cubic root of 40407294 is about 343.1520432499.

Adding to 40407294 its reverse (49270404), we get a palindrome (89677698).

The spelling of 40407294 in words is "forty million, four hundred seven thousand, two hundred ninety-four".