40242646220 has 24 divisors (see below), whose sum is σ = 96582351264. Its totient is φ = 13797478656.

The previous prime is 40242646207. The next prime is 40242646273. The reversal of 40242646220 is 2264624204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143723597 + ... + 143723876.

It is an arithmetic number, because the mean of its divisors is an integer number (4024264636).

Almost surely, 2^40242646220 is an apocalyptic number.

It is an amenable number.

40242646220 is an abundant number, since it is smaller than the sum of its proper divisors (56339705044).

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

40242646220 is a wasteful number, since it uses less digits than its factorization.

40242646220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287447489 (or 287447487 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 40242646220 in words is "forty billion, two hundred forty-two million, six hundred forty-six thousand, two hundred twenty".