61480480450 has 48 divisors (see below), whose sum is σ = 121182232680. Its totient is φ = 23126123520.

The previous prime is 61480480427. The next prime is 61480480471. The reversal of 61480480450 is 5408408416.

It can be written as a sum of positive squares in 12 ways, for example, as 921668881 + 60558811569 = 30359^2 + 246087^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1001236 + ... + 1060864.

Almost surely, 2^61480480450 is an apocalyptic number.

61480480450 is a deficient number, since it is larger than the sum of its proper divisors (59701752230).

61480480450 is a wasteful number, since it uses less digits than its factorization.

61480480450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60871 (or 60866 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

Adding to 61480480450 its reverse (5408408416), we get a palindrome (66888888866).

The spelling of 61480480450 in words is "sixty-one billion, four hundred eighty million, four hundred eighty thousand, four hundred fifty".