43434148632 has 128 divisors (see below), whose sum is σ = 124994688000. Its totient is φ = 12320294400.

The previous prime is 43434148621. The next prime is 43434148643. The reversal of 43434148632 is 23684143434.

It is an interprime number because it is at equal distance from previous prime (43434148621) and next prime (43434148643).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31045869 + ... + 31047267.

It is an arithmetic number, because the mean of its divisors is an integer number (976521000).

Almost surely, 2^43434148632 is an apocalyptic number.

43434148632 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43434148632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62497344000).

43434148632 is an abundant number, since it is smaller than the sum of its proper divisors (81560539368).

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

43434148632 is a wasteful number, since it uses less digits than its factorization.

43434148632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617 (or 2613 counting only the distinct ones).

The product of its digits is 663552, while the sum is 42.

The spelling of 43434148632 in words is "forty-three billion, four hundred thirty-four million, one hundred forty-eight thousand, six hundred thirty-two".