40196898722 has 6 divisors (see below), whose sum is σ = 60295773393. Its totient is φ = 20098307592.

The previous prime is 40196898691. The next prime is 40196898739. The reversal of 40196898722 is 22789869104.

It can be written as a sum of positive squares in 2 ways, for example, as 37779308161 + 2417590561 = 194369^2 + 49169^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=141769.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 212654 + ... + 354422.

Almost surely, 2^40196898722 is an apocalyptic number.

40196898722 is a deficient number, since it is larger than the sum of its proper divisors (20098874671).

40196898722 is an frugal number, since it uses more digits than its factorization.

40196898722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283540 (or 141771 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 40196898722 in words is "forty billion, one hundred ninety-six million, eight hundred ninety-eight thousand, seven hundred twenty-two".