136443004440 has 128 divisors (see below), whose sum is σ = 444771993600. Its totient is φ = 33357864960.

The previous prime is 136443004433. The next prime is 136443004487. The reversal of 136443004440 is 44400344631.

It is a super-2 number, since 2×136443004440² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 894537 + ... + 1035896.

It is an arithmetic number, because the mean of its divisors is an integer number (3474781200).

Almost surely, 2^136443004440 is an apocalyptic number.

136443004440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136443004440 is an abundant number, since it is smaller than the sum of its proper divisors (308328989160).

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

136443004440 is a wasteful number, since it uses less digits than its factorization.

136443004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930497 (or 1930493 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

The spelling of 136443004440 in words is "one hundred thirty-six billion, four hundred forty-three million, four thousand, four hundred forty".