40531203544 has 16 divisors (see below), whose sum is σ = 81841853520. Its totient is φ = 18706709280.

The previous prime is 40531203533. The next prime is 40531203563. The reversal of 40531203544 is 44530213504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194861452 + ... + 194861659.

It is an arithmetic number, because the mean of its divisors is an integer number (5115115845).

Almost surely, 2^40531203544 is an apocalyptic number.

It is an amenable number.

40531203544 is an abundant number, since it is smaller than the sum of its proper divisors (41310649976).

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

40531203544 is a wasteful number, since it uses less digits than its factorization.

40531203544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389723130 (or 389723126 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 40531203544 in words is "forty billion, five hundred thirty-one million, two hundred three thousand, five hundred forty-four".