45438279793914 has 128 divisors (see below), whose sum is σ = 113250590392320. Its totient is φ = 11860279070400.

The previous prime is 45438279793897. The next prime is 45438279793919. The reversal of 45438279793914 is 41939797283454.

It is a super-2 number, since 2×45438279793914² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45438279793919) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3755659 + ... + 10246049.

It is an arithmetic number, because the mean of its divisors is an integer number (884770237440).

Almost surely, 2^{45438279793914} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45438279793914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56625295196160).

45438279793914 is an abundant number, since it is smaller than the sum of its proper divisors (67812310598406).

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

45438279793914 is a wasteful number, since it uses less digits than its factorization.

45438279793914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490736.

The product of its digits is 1646023680, while the sum is 75.

The spelling of 45438279793914 in words is "forty-five trillion, four hundred thirty-eight billion, two hundred seventy-nine million, seven hundred ninety-three thousand, nine hundred fourteen".