40452441520000 has 160 divisors (see below), whose sum is σ = 100714933154880. Its totient is φ = 16179191808000.

The previous prime is 40452441519989. The next prime is 40452441520031. The reversal of 40452441520000 is 2514425404.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 911417809 + ... + 911462191.

It is an arithmetic number, because the mean of its divisors is an integer number (629468332218).

Almost surely, 2^{40452441520000} is an apocalyptic number.

40452441520000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40452441520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50357466577440).

40452441520000 is an abundant number, since it is smaller than the sum of its proper divisors (60262491634880).

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

40452441520000 is an equidigital number, since it uses as much as digits as its factorization.

40452441520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55810 (or 55783 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 40452441520000 its reverse (2514425404), we get a palindrome (40454955945404).

The spelling of 40452441520000 in words is "forty trillion, four hundred fifty-two billion, four hundred forty-one million, five hundred twenty thousand".