40243572601672 has 32 divisors (see below), whose sum is σ = 82908602834400. Its totient is φ = 18160932038400.

The previous prime is 40243572601667. The next prime is 40243572601681. The reversal of 40243572601672 is 27610627534204.

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, 1644999729 + ... + 1645024192.

It is an arithmetic number, because the mean of its divisors is an integer number (2590893838575).

Almost surely, 2^{40243572601672} is an apocalyptic number.

It is an amenable number.

40243572601672 is an abundant number, since it is smaller than the sum of its proper divisors (42665030232728).

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

40243572601672 is a wasteful number, since it uses less digits than its factorization.

40243572601672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290024077 (or 3290024073 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 40243572601672 in words is "forty trillion, two hundred forty-three billion, five hundred seventy-two million, six hundred one thousand, six hundred seventy-two".