40503726 has 24 divisors (see below), whose sum is σ = 91009464. Its totient is φ = 13501080.

The previous prime is 40503653. The next prime is 40503731. The reversal of 40503726 is 62730504.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40503726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41185 + ... + 42156.

It is an arithmetic number, because the mean of its divisors is an integer number (3792061).

Almost surely, 2^40503726 is an apocalyptic number.

40503726 is an abundant number, since it is smaller than the sum of its proper divisors (50505738).

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

40503726 is an equidigital number, since it uses as much as digits as its factorization.

40503726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83358 (or 83346 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 40503726 is about 6364.2537661536. The cubic root of 40503726 is about 343.4248038141.

It can be divided in two parts, 4050 and 3726, that added together give a 5-th power (7776 = 6⁵).

The spelling of 40503726 in words is "forty million, five hundred three thousand, seven hundred twenty-six".