5020450640 has 20 divisors (see below), whose sum is σ = 11672547924. Its totient is φ = 2008180224.

The previous prime is 5020450639. The next prime is 5020450657. The reversal of 5020450640 is 460540205.

It can be written as a sum of positive squares in 2 ways, for example, as 3646710544 + 1373740096 = 60388^2 + 37064^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31377737 + ... + 31377896.

Almost surely, 2^5020450640 is an apocalyptic number.

It is an amenable number.

5020450640 is an abundant number, since it is smaller than the sum of its proper divisors (6652097284).

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

5020450640 is a wasteful number, since it uses less digits than its factorization.

5020450640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62755646 (or 62755640 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 5020450640 is about 70855.1384163492. The cubic root of 5020450640 is about 1712.3041155526.

Adding to 5020450640 its reverse (460540205), we get a palindrome (5480990845).

The spelling of 5020450640 in words is "five billion, twenty million, four hundred fifty thousand, six hundred forty".