40561270 has 16 divisors (see below), whose sum is σ = 73891440. Its totient is φ = 16028704.

The previous prime is 40561253. The next prime is 40561273. The reversal of 40561270 is 7216504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40561273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23605 + ... + 25264.

It is an arithmetic number, because the mean of its divisors is an integer number (4618215).

Almost surely, 2^40561270 is an apocalyptic number.

40561270 is a deficient number, since it is larger than the sum of its proper divisors (33330170).

40561270 is a wasteful number, since it uses less digits than its factorization.

40561270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48959.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40561270 is about 6368.7730372498. The cubic root of 40561270 is about 343.5873624026.

Adding to 40561270 its reverse (7216504), we get a palindrome (47777774).

The spelling of 40561270 in words is "forty million, five hundred sixty-one thousand, two hundred seventy".