40561352 has 48 divisors (see below), whose sum is σ = 86742000. Its totient is φ = 17724096.

The previous prime is 40561319. The next prime is 40561363. The reversal of 40561352 is 25316504.

40561352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 13.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24899 + ... + 26477.

It is an arithmetic number, because the mean of its divisors is an integer number (1807125).

Almost surely, 2^40561352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40561352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43371000).

40561352 is an abundant number, since it is smaller than the sum of its proper divisors (46180648).

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

40561352 is a wasteful number, since it uses less digits than its factorization.

40561352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 40561352 is about 6368.7794749073. The cubic root of 40561352 is about 343.5875939383.

Adding to 40561352 its reverse (25316504), we get a palindrome (65877856).

The spelling of 40561352 in words is "forty million, five hundred sixty-one thousand, three hundred fifty-two".