40221545000 has 320 divisors, whose sum is σ = 117194985600. Its totient is φ = 12597120000.

The previous prime is 40221544973. The next prime is 40221545009. The reversal of 40221545000 is 54512204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40221545009) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 49594595 + ... + 49595405.

It is an arithmetic number, because the mean of its divisors is an integer number (366234330).

Almost surely, 2^40221545000 is an apocalyptic number.

40221545000 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 40221545000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58597492800).

40221545000 is an abundant number, since it is smaller than the sum of its proper divisors (76973440600).

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

40221545000 is a wasteful number, since it uses less digits than its factorization.

40221545000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The spelling of 40221545000 in words is "forty billion, two hundred twenty-one million, five hundred forty-five thousand".