40561850 has 24 divisors (see below), whose sum is σ = 86223648. Its totient is φ = 13906800.

The previous prime is 40561837. The next prime is 40561853. The reversal of 40561850 is 5816504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40561853) 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, 57596 + ... + 58295.

It is an arithmetic number, because the mean of its divisors is an integer number (3592652).

Almost surely, 2^40561850 is an apocalyptic number.

40561850 is an abundant number, since it is smaller than the sum of its proper divisors (45661798).

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

40561850 is a wasteful number, since it uses less digits than its factorization.

40561850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115910 (or 115905 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 40561850 is about 6368.8185717604. The cubic root of 40561850 is about 343.5890000874.

The spelling of 40561850 in words is "forty million, five hundred sixty-one thousand, eight hundred fifty".