43513376581428 has 96 divisors (see below), whose sum is σ = 115098902016000. Its totient is φ = 12683753587584.

The previous prime is 43513376581427. The next prime is 43513376581439. The reversal of 43513376581428 is 82418567331534.

It is a super-3 number, since 3×43513376581428³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43513376581427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140929225 + ... + 141237647.

It is an arithmetic number, because the mean of its divisors is an integer number (1198946896000).

Almost surely, 2^{43513376581428} is an apocalyptic number.

It is an amenable number.

43513376581428 is an abundant number, since it is smaller than the sum of its proper divisors (71585525434572).

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

43513376581428 is a wasteful number, since it uses less digits than its factorization.

43513376581428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356061 (or 356059 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 60.

The spelling of 43513376581428 in words is "forty-three trillion, five hundred thirteen billion, three hundred seventy-six million, five hundred eighty-one thousand, four hundred twenty-eight".