40543210551320 has 32 divisors (see below), whose sum is σ = 95188407383520. Its totient is φ = 15512184906240.

The previous prime is 40543210551307. The next prime is 40543210551359. The reversal of 40543210551320 is 2315501234504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22034352641 + ... + 22034354480.

It is an arithmetic number, because the mean of its divisors is an integer number (2974637730735).

Almost surely, 2^{40543210551320} is an apocalyptic number.

40543210551320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40543210551320 is an abundant number, since it is smaller than the sum of its proper divisors (54645196832200).

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

40543210551320 is a wasteful number, since it uses less digits than its factorization.

40543210551320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44068707155 (or 44068707151 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 40543210551320 its reverse (2315501234504), we get a palindrome (42858711785824).

The spelling of 40543210551320 in words is "forty trillion, five hundred forty-three billion, two hundred ten million, five hundred fifty-one thousand, three hundred twenty".