43450005240 has 48 divisors (see below), whose sum is σ = 141212518200. Its totient is φ = 11586667968.

The previous prime is 43450005173. The next prime is 43450005301. The reversal of 43450005240 is 4250005434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60346870 + ... + 60347589.

Almost surely, 2^43450005240 is an apocalyptic number.

43450005240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43450005240 is an abundant number, since it is smaller than the sum of its proper divisors (97762512960).

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

43450005240 is a wasteful number, since it uses less digits than its factorization.

43450005240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120694476 (or 120694469 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The spelling of 43450005240 in words is "forty-three billion, four hundred fifty million, five thousand, two hundred forty".