43321102040 has 64 divisors (see below), whose sum is σ = 103259525760. Its totient is φ = 16300687360.

The previous prime is 43321102031. The next prime is 43321102043. The reversal of 43321102040 is 4020112334.

It is a super-3 number, since 3×43321102040³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43321102043) 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, 1387400 + ... + 1418280.

It is an arithmetic number, because the mean of its divisors is an integer number (1613430090).

Almost surely, 2^43321102040 is an apocalyptic number.

43321102040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43321102040 is an abundant number, since it is smaller than the sum of its proper divisors (59938423720).

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

43321102040 is a wasteful number, since it uses less digits than its factorization.

43321102040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32972 (or 32968 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43321102040 its reverse (4020112334), we get a palindrome (47341214374).

The spelling of 43321102040 in words is "forty-three billion, three hundred twenty-one million, one hundred two thousand, forty".