45954636780 has 96 divisors (see below), whose sum is σ = 138740011200. Its totient is φ = 11298106368.

The previous prime is 45954636779. The next prime is 45954636797. The reversal of 45954636780 is 8763645954.

It is a super-2 number, since 2×45954636780² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45954636780.

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 31 ways as a sum of consecutive naturals, for example, 611086 + ... + 682154.

It is an arithmetic number, because the mean of its divisors is an integer number (1445208450).

Almost surely, 2^45954636780 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 45954636780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69370005600).

45954636780 is an abundant number, since it is smaller than the sum of its proper divisors (92785374420).

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

45954636780 is a wasteful number, since it uses less digits than its factorization.

45954636780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71923 (or 71921 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 45954636780 in words is "forty-five billion, nine hundred fifty-four million, six hundred thirty-six thousand, seven hundred eighty".