43740997290 has 48 divisors (see below), whose sum is σ = 115166188800. Its totient is φ = 11516615136.

The previous prime is 43740997253. The next prime is 43740997309. The reversal of 43740997290 is 9279904734.

It is a happy number.

43740997290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3068910 + ... + 3083129.

It is an arithmetic number, because the mean of its divisors is an integer number (2399295600).

Almost surely, 2^43740997290 is an apocalyptic number.

43740997290 is an abundant number, since it is smaller than the sum of its proper divisors (71425191510).

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

43740997290 is a wasteful number, since it uses less digits than its factorization.

43740997290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152131 (or 6152128 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 43740997290 in words is "forty-three billion, seven hundred forty million, nine hundred ninety-seven thousand, two hundred ninety".