40485456 has 120 divisors (see below), whose sum is σ = 125929440. Its totient is φ = 12038400.

The previous prime is 40485439. The next prime is 40485461. The reversal of 40485456 is 65458404.

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 40485456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96415 + ... + 96833.

It is an arithmetic number, because the mean of its divisors is an integer number (1049412).

Almost surely, 2^40485456 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 40485456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62964720).

40485456 is an abundant number, since it is smaller than the sum of its proper divisors (85443984).

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

40485456 is a wasteful number, since it uses less digits than its factorization.

40485456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 40485456 is about 6362.8182435144. The cubic root of 40485456 is about 343.3731598839.

The spelling of 40485456 in words is "forty million, four hundred eighty-five thousand, four hundred fifty-six".