43540134788 has 12 divisors (see below), whose sum is σ = 76198462032. Its totient is φ = 21769145640.

The previous prime is 43540134773. The next prime is 43540134791. The reversal of 43540134788 is 88743104534.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118070 + ... + 317837.

It is an arithmetic number, because the mean of its divisors is an integer number (6349871836).

Almost surely, 2^43540134788 is an apocalyptic number.

It is an amenable number.

43540134788 is a deficient number, since it is larger than the sum of its proper divisors (32658327244).

43540134788 is a wasteful number, since it uses less digits than its factorization.

43540134788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460882 (or 460880 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 43540134788 in words is "forty-three billion, five hundred forty million, one hundred thirty-four thousand, seven hundred eighty-eight".