40061402 has 8 divisors (see below), whose sum is σ = 60309876. Its totient is φ = 19958112.

The previous prime is 40061341. The next prime is 40061407. The reversal of 40061402 is 20416004.

40061402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39702601 + 358801 = 6301^2 + 599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40061407) 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 3 ways as a sum of consecutive naturals, for example, 35603 + ... + 36710.

Almost surely, 2^40061402 is an apocalyptic number.

40061402 is a deficient number, since it is larger than the sum of its proper divisors (20248474).

40061402 is a wasteful number, since it uses less digits than its factorization.

40061402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72592.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40061402 is about 6329.4077132067. The cubic root of 40061402 is about 342.1700931090.

Adding to 40061402 its reverse (20416004), we get a palindrome (60477406).

The spelling of 40061402 in words is "forty million, sixty-one thousand, four hundred two".