43434367440 has 40 divisors (see below), whose sum is σ = 134646539808. Its totient is φ = 11582497920.

The previous prime is 43434367439. The next prime is 43434367453. The reversal of 43434367440 is 4476343434.

It is a happy number.

43434367440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 43434367392 and 43434367401.

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, 90488026 + ... + 90488505.

Almost surely, 2^43434367440 is an apocalyptic number.

43434367440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43434367440 is an abundant number, since it is smaller than the sum of its proper divisors (91212172368).

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

43434367440 is a wasteful number, since it uses less digits than its factorization.

43434367440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180976547 (or 180976541 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 42.

The spelling of 43434367440 in words is "forty-three billion, four hundred thirty-four million, three hundred sixty-seven thousand, four hundred forty".