42403536 has 240 divisors, whose sum is σ = 148561920. Its totient is φ = 11024640.

The previous prime is 42403531. The next prime is 42403549. The reversal of 42403536 is 63530424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 718675 + ... + 718733.

It is an arithmetic number, because the mean of its divisors is an integer number (619008).

Almost surely, 2^42403536 is an apocalyptic number.

42403536 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42403536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74280960).

42403536 is an abundant number, since it is smaller than the sum of its proper divisors (106158384).

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

42403536 is a wasteful number, since it uses less digits than its factorization.

42403536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 42403536 is about 6511.7997512209. The cubic root of 42403536 is about 348.7123734795.

It can be divided in two parts, 4240 and 3536, that added together give a 5-th power (7776 = 6⁵).

The spelling of 42403536 in words is "forty-two million, four hundred three thousand, five hundred thirty-six".