40411872 has 72 divisors (see below), whose sum is σ = 119200536. Its totient is φ = 13468032.

The previous prime is 40411871. The next prime is 40411883. The reversal of 40411872 is 27811404.

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40411871) 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, 5178 + ... + 10374.

It is an arithmetic number, because the mean of its divisors is an integer number (1655563).

Almost surely, 2^40411872 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 40411872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59600268).

40411872 is an abundant number, since it is smaller than the sum of its proper divisors (78788664).

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

40411872 is an equidigital number, since it uses as much as digits as its factorization.

40411872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5222 (or 5202 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 40411872 is about 6357.0332703235. The cubic root of 40411872 is about 343.1650020549.

The spelling of 40411872 in words is "forty million, four hundred eleven thousand, eight hundred seventy-two".