40405000722 has 16 divisors (see below), whose sum is σ = 80866568640. Its totient is φ = 13458905712.

The previous prime is 40405000693. The next prime is 40405000747. The reversal of 40405000722 is 22700050404.

It is a junction number, because it is equal to n+sod(n) for n = 40405000692 and 40405000701.

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, 2347678 + ... + 2364825.

It is an arithmetic number, because the mean of its divisors is an integer number (5054160540).

Almost surely, 2^40405000722 is an apocalyptic number.

40405000722 is an abundant number, since it is smaller than the sum of its proper divisors (40461567918).

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

40405000722 is a wasteful number, since it uses less digits than its factorization.

40405000722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713937.

The product of its (nonzero) digits is 2240, while the sum is 24.

The spelling of 40405000722 in words is "forty billion, four hundred five million, seven hundred twenty-two", and thus it is an aban number.