40445764926432 has 96 divisors (see below), whose sum is σ = 106738254766080. Its totient is φ = 13409795412480.

The previous prime is 40445764926403. The next prime is 40445764926451. The reversal of 40445764926432 is 23462946754404.

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

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

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, 165433593 + ... + 165677895.

It is an arithmetic number, because the mean of its divisors is an integer number (1111856820480).

Almost surely, 2^{40445764926432} 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 40445764926432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53369127383040).

40445764926432 is an abundant number, since it is smaller than the sum of its proper divisors (66292489839648).

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

40445764926432 is a wasteful number, since it uses less digits than its factorization.

40445764926432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253536 (or 253528 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 60.

The spelling of 40445764926432 in words is "forty trillion, four hundred forty-five billion, seven hundred sixty-four million, nine hundred twenty-six thousand, four hundred thirty-two".