40503456 has 192 divisors, whose sum is σ = 139426560. Its totient is φ = 11197440.

The previous prime is 40503433. The next prime is 40503467. The reversal of 40503456 is 65430504.

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

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, 223686 + ... + 223866.

It is an arithmetic number, because the mean of its divisors is an integer number (726180).

Almost surely, 2^40503456 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 40503456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69713280).

40503456 is an abundant number, since it is smaller than the sum of its proper divisors (98923104).

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

40503456 is a wasteful number, since it uses less digits than its factorization.

40503456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 40503456 is about 6364.2325538905. The cubic root of 40503456 is about 343.4240407164.

The spelling of 40503456 in words is "forty million, five hundred three thousand, four hundred fifty-six".