45991404704 has 120 divisors (see below), whose sum is σ = 106060615668. Its totient is φ = 19630356480.

The previous prime is 45991404671. The next prime is 45991404749. The reversal of 45991404704 is 40740419954.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45391154704 + 600250000 = 213052^2 + 24500^2 .

It is a super-2 number, since 2×45991404704² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21281384 + ... + 21283544.

Almost surely, 2^45991404704 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 45991404704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53030307834).

45991404704 is an abundant number, since it is smaller than the sum of its proper divisors (60069210964).

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

45991404704 is an equidigital number, since it uses as much as digits as its factorization.

45991404704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 45991404704 in words is "forty-five billion, nine hundred ninety-one million, four hundred four thousand, seven hundred four".