40203943266032 has 160 divisors (see below), whose sum is σ = 96259036360704. Its totient is φ = 15840514483200.

The previous prime is 40203943266001. The next prime is 40203943266121. The reversal of 40203943266032 is 23066234930204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1207780493 + ... + 1207813779.

Almost surely, 2^{40203943266032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40203943266032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48129518180352).

40203943266032 is an abundant number, since it is smaller than the sum of its proper divisors (56055093094672).

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

40203943266032 is a wasteful number, since it uses less digits than its factorization.

40203943266032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36647 (or 36641 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 44.

The spelling of 40203943266032 in words is "forty trillion, two hundred three billion, nine hundred forty-three million, two hundred sixty-six thousand, thirty-two".