40537476 has 144 divisors (see below), whose sum is σ = 127209600. Its totient is φ = 10922688.

The previous prime is 40537463. The next prime is 40537487. The reversal of 40537476 is 67473504.

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 40537476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 942711 + ... + 942753.

It is an arithmetic number, because the mean of its divisors is an integer number (883400).

Almost surely, 2^40537476 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 40537476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63604800).

40537476 is an abundant number, since it is smaller than the sum of its proper divisors (86672124).

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

40537476 is a wasteful number, since it uses less digits than its factorization.

40537476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 40537476 is about 6366.9047424946. The cubic root of 40537476 is about 343.5201643356.

It can be divided in two parts, 405374 and 76, that added together give a triangular number (405450 = T₉₀₀).

The spelling of 40537476 in words is "forty million, five hundred thirty-seven thousand, four hundred seventy-six".