70442263444 has 24 divisors (see below), whose sum is σ = 143194112768. Its totient is φ = 29694630240.

The previous prime is 70442263403. The next prime is 70442263499. The reversal of 70442263444 is 44436224407.

It is a super-2 number, since 2×70442263444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70442263397 and 70442263406.

It is a congruent number.

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, 20619564 + ... + 20622979.

Almost surely, 2^70442263444 is an apocalyptic number.

It is an amenable number.

70442263444 is an abundant number, since it is smaller than the sum of its proper divisors (72751849324).

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

70442263444 is a wasteful number, since it uses less digits than its factorization.

70442263444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41242615 (or 41242613 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 40.

The spelling of 70442263444 in words is "seventy billion, four hundred forty-two million, two hundred sixty-three thousand, four hundred forty-four".