44125125521440 has 48 divisors (see below), whose sum is σ = 104248238297112. Its totient is φ = 17649605044224.

The previous prime is 44125125521371. The next prime is 44125125521461. The reversal of 44125125521440 is 4412552152144.

It can be written as a sum of positive squares in 4 ways, for example, as 38351812237456 + 5773313283984 = 6192884^2 + 2402772^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 44125125521393 and 44125125521402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2922412 + ... + 9838228.

Almost surely, 2^{44125125521440} is an apocalyptic number.

44125125521440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44125125521440 is an abundant number, since it is smaller than the sum of its proper divisors (60123112775672).

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

44125125521440 is a wasteful number, since it uses less digits than its factorization.

44125125521440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955709 (or 6955701 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 40.

Adding to 44125125521440 its reverse (4412552152144), we get a palindrome (48537677673584).

The spelling of 44125125521440 in words is "forty-four trillion, one hundred twenty-five billion, one hundred twenty-five million, five hundred twenty-one thousand, four hundred forty".