4001546543372 has 24 divisors (see below), whose sum is σ = 8004274037760. Its totient is φ = 1714695457680.

The previous prime is 4001546543353. The next prime is 4001546543383. The reversal of 4001546543372 is 2733456451004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10351004 + ... + 10730627.

It is an arithmetic number, because the mean of its divisors is an integer number (333511418240).

Almost surely, 2^{4001546543372} is an apocalyptic number.

It is an amenable number.

4001546543372 is an abundant number, since it is smaller than the sum of its proper divisors (4002727494388).

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

4001546543372 is a wasteful number, since it uses less digits than its factorization.

4001546543372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21088421 (or 21088419 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 4001546543372 in words is "four trillion, one billion, five hundred forty-six million, five hundred forty-three thousand, three hundred seventy-two".