43149605740 has 12 divisors (see below), whose sum is σ = 90614172096. Its totient is φ = 17259842288.

The previous prime is 43149605713. The next prime is 43149605767. The reversal of 43149605740 is 4750694134.

It is an interprime number because it is at equal distance from previous prime (43149605713) and next prime (43149605767).

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, 1078740124 + ... + 1078740163.

It is an arithmetic number, because the mean of its divisors is an integer number (7551181008).

Almost surely, 2^43149605740 is an apocalyptic number.

It is an amenable number.

43149605740 is an abundant number, since it is smaller than the sum of its proper divisors (47464566356).

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

43149605740 is a wasteful number, since it uses less digits than its factorization.

43149605740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157480296 (or 2157480294 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 43149605740 in words is "forty-three billion, one hundred forty-nine million, six hundred five thousand, seven hundred forty".