40473536 has 28 divisors (see below), whose sum is σ = 81424272. Its totient is φ = 19957248.

The previous prime is 40473509. The next prime is 40473571. The reversal of 40473536 is 63537404.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 3 ways as a sum of consecutive naturals, for example, 341 + ... + 9003.

Almost surely, 2^40473536 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 40473536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40712136).

40473536 is an abundant number, since it is smaller than the sum of its proper divisors (40950736).

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

40473536 is an equidigital number, since it uses as much as digits as its factorization.

40473536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8748 (or 8738 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 40473536 is about 6361.8814827062. The cubic root of 40473536 is about 343.3394571650.

The spelling of 40473536 in words is "forty million, four hundred seventy-three thousand, five hundred thirty-six".