40871736 has 128 divisors (see below), whose sum is σ = 124992000. Its totient is φ = 12317184.

The previous prime is 40871729. The next prime is 40871741. The reversal of 40871736 is 63717804.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40871736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94176 + ... + 94608.

It is an arithmetic number, because the mean of its divisors is an integer number (976500).

Almost surely, 2^40871736 is an apocalyptic number.

40871736 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40871736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62496000).

40871736 is an abundant number, since it is smaller than the sum of its proper divisors (84120264).

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

40871736 is a wasteful number, since it uses less digits than its factorization.

40871736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 40871736 is about 6393.1006561762. The cubic root of 40871736 is about 344.4617694450.

The spelling of 40871736 in words is "forty million, eight hundred seventy-one thousand, seven hundred thirty-six".