70005407040 has 168 divisors, whose sum is σ = 254953693800. Its totient is φ = 17569972224.

The previous prime is 70005407011. The next prime is 70005407053. The reversal of 70005407040 is 4070450007.

It can be written as a sum of positive squares in 4 ways, for example, as 15653012544 + 54352394496 = 125112^2 + 233136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70005406995 and 70005407013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 665965 + ... + 763884.

Almost surely, 2^70005407040 is an apocalyptic number.

It is an amenable number.

70005407040 is an abundant number, since it is smaller than the sum of its proper divisors (184948286760).

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

70005407040 is a wasteful number, since it uses less digits than its factorization.

70005407040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429889 (or 1429876 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

Adding to 70005407040 its reverse (4070450007), we get a palindrome (74075857047).

The spelling of 70005407040 in words is "seventy billion, five million, four hundred seven thousand, forty".