61480444836 has 48 divisors (see below), whose sum is σ = 148157370368. Its totient is φ = 19822298400.

The previous prime is 61480444811. The next prime is 61480444849. The reversal of 61480444836 is 63844408416.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707001 + ... + 789183.

Almost surely, 2^61480444836 is an apocalyptic number.

It is an amenable number.

61480444836 is an abundant number, since it is smaller than the sum of its proper divisors (86676925532).

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

61480444836 is a wasteful number, since it uses less digits than its factorization.

61480444836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84232 (or 84230 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 61480444836 in words is "sixty-one billion, four hundred eighty million, four hundred forty-four thousand, eight hundred thirty-six".