40228937516544 has 320 divisors, whose sum is σ = 128320946552832. Its totient is φ = 10957184409600.

The previous prime is 40228937516399. The next prime is 40228937516557. The reversal of 40228937516544 is 44561573982204.

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, 21431199 + ... + 23232609.

It is a 1-persistent number, because it is pandigital, but 2⋅40228937516544 = 80457875033088 is not.

Almost surely, 2^{40228937516544} 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 40228937516544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64160473276416).

40228937516544 is an abundant number, since it is smaller than the sum of its proper divisors (88092009036288).

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

40228937516544 is a wasteful number, since it uses less digits than its factorization.

40228937516544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801537 (or 1801521 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 60.

The spelling of 40228937516544 in words is "forty trillion, two hundred twenty-eight billion, nine hundred thirty-seven million, five hundred sixteen thousand, five hundred forty-four".