40738796544 has 176 divisors, whose sum is σ = 111909260736. Its totient is φ = 13167820800.

The previous prime is 40738796509. The next prime is 40738796563. The reversal of 40738796544 is 44569783704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22796419 + ... + 22798205.

Almost surely, 2^40738796544 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 40738796544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55954630368).

40738796544 is an abundant number, since it is smaller than the sum of its proper divisors (71170464192).

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

40738796544 is a wasteful number, since it uses less digits than its factorization.

40738796544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032 (or 2014 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 40738796544 in words is "forty billion, seven hundred thirty-eight million, seven hundred ninety-six thousand, five hundred forty-four".