5603997420 has 192 divisors, whose sum is σ = 19958722560. Its totient is φ = 1278768384.

The previous prime is 5603997391. The next prime is 5603997437. The reversal of 5603997420 is 247993065.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3767917 + ... + 3769403.

It is an arithmetic number, because the mean of its divisors is an integer number (103951680).

Almost surely, 2^5603997420 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 5603997420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9979361280).

5603997420 is an abundant number, since it is smaller than the sum of its proper divisors (14354725140).

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

5603997420 is a wasteful number, since it uses less digits than its factorization.

5603997420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 5603997420 is about 74859.8518566528. The cubic root of 5603997420 is about 1776.2304417015.

The spelling of 5603997420 in words is "five billion, six hundred three million, nine hundred ninety-seven thousand, four hundred twenty".