40561762 has 16 divisors (see below), whose sum is σ = 64589400. Its totient is φ = 19038208.

The previous prime is 40561723. The next prime is 40561769. The reversal of 40561762 is 26716504.

It is a happy number.

40561762 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 4 ways, for example, as 40056241 + 505521 = 6329^2 + 711^2 .

It is not an unprimeable number, because it can be changed into a prime (40561769) 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, 13938 + ... + 16594.

Almost surely, 2^40561762 is an apocalyptic number.

40561762 is a deficient number, since it is larger than the sum of its proper divisors (24027638).

40561762 is a wasteful number, since it uses less digits than its factorization.

40561762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 40561762 is about 6368.8116630970. The cubic root of 40561762 is about 343.5887516121.

The spelling of 40561762 in words is "forty million, five hundred sixty-one thousand, seven hundred sixty-two".