40221986179648 has 224 divisors, whose sum is σ = 100460228279040. Its totient is φ = 15553699799040.

The previous prime is 40221986179603. The next prime is 40221986179651. The reversal of 40221986179648 is 84697168912204.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82790563 + ... + 83274973.

It is an arithmetic number, because the mean of its divisors is an integer number (448483161960).

Almost surely, 2^{40221986179648} 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 40221986179648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50230114139520).

40221986179648 is an abundant number, since it is smaller than the sum of its proper divisors (60238242099392).

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

40221986179648 is a wasteful number, since it uses less digits than its factorization.

40221986179648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484765 (or 484755 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 67.

The spelling of 40221986179648 in words is "forty trillion, two hundred twenty-one billion, nine hundred eighty-six million, one hundred seventy-nine thousand, six hundred forty-eight".