40211705720 has 32 divisors (see below), whose sum is σ = 90976223520. Its totient is φ = 15995813760.

The previous prime is 40211705711. The next prime is 40211705731. The reversal of 40211705720 is 2750711204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2769812 + ... + 2784291.

It is an arithmetic number, because the mean of its divisors is an integer number (2843006985).

Almost surely, 2^40211705720 is an apocalyptic number.

40211705720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40211705720 is an abundant number, since it is smaller than the sum of its proper divisors (50764517800).

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

40211705720 is a wasteful number, since it uses less digits than its factorization.

40211705720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554295 (or 5554291 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The spelling of 40211705720 in words is "forty billion, two hundred eleven million, seven hundred five thousand, seven hundred twenty".