43434733920 has 96 divisors (see below), whose sum is σ = 136908237312. Its totient is φ = 11575076352.

The previous prime is 43434733907. The next prime is 43434733943. The reversal of 43434733920 is 2933743434.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×43434733920² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731259 + ... + 788421.

It is an arithmetic number, because the mean of its divisors is an integer number (1426127472).

Almost surely, 2^43434733920 is an apocalyptic number.

43434733920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43434733920 is an abundant number, since it is smaller than the sum of its proper divisors (93473503392).

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

43434733920 is a wasteful number, since it uses less digits than its factorization.

43434733920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58764 (or 58756 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 42.

The spelling of 43434733920 in words is "forty-three billion, four hundred thirty-four million, seven hundred thirty-three thousand, nine hundred twenty".