45493739256 has 128 divisors (see below), whose sum is σ = 134327439360. Its totient is φ = 12564633600.

The previous prime is 45493739233. The next prime is 45493739273. The reversal of 45493739256 is 65293739454.

It is a super-2 number, since 2×45493739256² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45493739196 and 45493739205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5083746 + ... + 5092686.

It is an arithmetic number, because the mean of its divisors is an integer number (1049433120).

Almost surely, 2^45493739256 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 45493739256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67163719680).

45493739256 is an abundant number, since it is smaller than the sum of its proper divisors (88833700104).

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

45493739256 is a wasteful number, since it uses less digits than its factorization.

45493739256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965 (or 9961 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 57.

The spelling of 45493739256 in words is "forty-five billion, four hundred ninety-three million, seven hundred thirty-nine thousand, two hundred fifty-six".