40721719455048 has 64 divisors (see below), whose sum is σ = 102223774224000. Its totient is φ = 13518084288512.

The previous prime is 40721719455041. The next prime is 40721719455101. The reversal of 40721719455048 is 84055491712704.

It is not an unprimeable number, because it can be changed into a prime (40721719455041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2669608 + ... + 9411176.

It is an arithmetic number, because the mean of its divisors is an integer number (1597246472250).

Almost surely, 2^{40721719455048} is an apocalyptic number.

It is an amenable number.

40721719455048 is an abundant number, since it is smaller than the sum of its proper divisors (61502054768952).

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

40721719455048 is a wasteful number, since it uses less digits than its factorization.

40721719455048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6742614 (or 6742610 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 40721719455048 in words is "forty trillion, seven hundred twenty-one billion, seven hundred nineteen million, four hundred fifty-five thousand, forty-eight".