40969916544 has 96 divisors (see below), whose sum is σ = 111193362000. Its totient is φ = 13365795328.

The previous prime is 40969916521. The next prime is 40969916557. The reversal of 40969916544 is 44561996904.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 824107 + ... + 872405.

Almost surely, 2^40969916544 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 40969916544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55596681000).

40969916544 is an abundant number, since it is smaller than the sum of its proper divisors (70223445456).

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

40969916544 is an equidigital number, since it uses as much as digits as its factorization.

40969916544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48410 (or 48351 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 40969916544 in words is "forty billion, nine hundred sixty-nine million, nine hundred sixteen thousand, five hundred forty-four".