1603424040 has 128 divisors (see below), whose sum is σ = 4911649920. Its totient is φ = 418636800.

The previous prime is 1603424021. The next prime is 1603424057. The reversal of 1603424040 is 404243061.

1603424040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1603424040.

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, 2320095 + ... + 2320785.

It is an arithmetic number, because the mean of its divisors is an integer number (38372265).

Almost surely, 2^1603424040 is an apocalyptic number.

1603424040 is a gapful number since it is divisible by the number (10) 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 1603424040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2455824960).

1603424040 is an abundant number, since it is smaller than the sum of its proper divisors (3308225880).

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

1603424040 is a wasteful number, since it uses less digits than its factorization.

1603424040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1603424040 is about 40042.7776259340. Note that the first 3 decimals coincide. The cubic root of 1603424040 is about 1170.4408303044.

The spelling of 1603424040 in words is "one billion, six hundred three million, four hundred twenty-four thousand, forty".