43256429412 has 48 divisors (see below), whose sum is σ = 115378553472. Its totient is φ = 12355971840.

The previous prime is 43256429389. The next prime is 43256429413. The reversal of 43256429412 is 21492465234.

It is a super-2 number, since 2×43256429412² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (43256429413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296712 + ... + 417792.

It is an arithmetic number, because the mean of its divisors is an integer number (2403719864).

Almost surely, 2^43256429412 is an apocalyptic number.

43256429412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43256429412 is an abundant number, since it is smaller than the sum of its proper divisors (72122124060).

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

43256429412 is a wasteful number, since it uses less digits than its factorization.

43256429412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125348 (or 125346 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 43256429412 in words is "forty-three billion, two hundred fifty-six million, four hundred twenty-nine thousand, four hundred twelve".