4245044261040 has 400 divisors, whose sum is σ = 16930532805120. Its totient is φ = 974938083840.

The previous prime is 4245044260991. The next prime is 4245044261093. The reversal of 4245044261040 is 401624405424.

4245044261040 is a `hidden beast` number, since 4 + 2 + 4 + 504 + 42 + 6 + 104 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4245044260986 and 4245044261004.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 212904 + ... + 2921543.

Almost surely, 2^{4245044261040} is an apocalyptic number.

4245044261040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245044261040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8465266402560).

4245044261040 is an abundant number, since it is smaller than the sum of its proper divisors (12685488544080).

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

4245044261040 is a wasteful number, since it uses less digits than its factorization.

4245044261040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134502 (or 3134487 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 4245044261040 its reverse (401624405424), we get a palindrome (4646668666464).

The spelling of 4245044261040 in words is "four trillion, two hundred forty-five billion, forty-four million, two hundred sixty-one thousand, forty".