45086779620 has 144 divisors (see below), whose sum is σ = 138684786240. Its totient is φ = 11855289600.

The previous prime is 45086779531. The next prime is 45086779667. The reversal of 45086779620 is 2697768054.

45086779620 is a `hidden beast` number, since 4 + 5 + 0 + 8 + 6 + 7 + 7 + 9 + 620 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4134375 + ... + 4145265.

Almost surely, 2^45086779620 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 45086779620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69342393120).

45086779620 is an abundant number, since it is smaller than the sum of its proper divisors (93598006620).

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

45086779620 is a wasteful number, since it uses less digits than its factorization.

45086779620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11226 (or 11221 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 45086779620 in words is "forty-five billion, eighty-six million, seven hundred seventy-nine thousand, six hundred twenty".