70544444490 has 48 divisors (see below), whose sum is σ = 197524447848. Its totient is φ = 17364786048.

The previous prime is 70544444473. The next prime is 70544444513. The reversal of 70544444490 is 9444444507.

70544444490 is a `hidden beast` number, since 70 + 54 + 4 + 4 + 44 + 490 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 35256446289 + 35287998201 = 187767^2 + 187851^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 30146029 + ... + 30148368.

Almost surely, 2^70544444490 is an apocalyptic number.

70544444490 is an abundant number, since it is smaller than the sum of its proper divisors (126980003358).

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

70544444490 is a wasteful number, since it uses less digits than its factorization.

70544444490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60294423 (or 60294420 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

Adding to 70544444490 its reverse (9444444507), we get a palindrome (79988888997).

It can be divided in two parts, 7054 and 4444490, that added together give a palindrome (4451544).

The spelling of 70544444490 in words is "seventy billion, five hundred forty-four million, four hundred forty-four thousand, four hundred ninety".