40523040000 has 540 divisors, whose sum is σ = 147925473696. Its totient is φ = 10664448000.

The previous prime is 40523039971. The next prime is 40523040007. The reversal of 40523040000 is 4032504.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40523040007) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 154079869 + ... + 154080131.

Almost surely, 2^40523040000 is an apocalyptic number.

40523040000 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 40523040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73962736848).

40523040000 is an abundant number, since it is smaller than the sum of its proper divisors (107402433696).

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

40523040000 is a wasteful number, since it uses less digits than its factorization.

40523040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 40523040000 its reverse (4032504), we get a palindrome (40527072504).

The spelling of 40523040000 in words is "forty billion, five hundred twenty-three million, forty thousand".