40282246420 has 48 divisors (see below), whose sum is σ = 94241241360. Its totient is φ = 14360564736.

The previous prime is 40282246409. The next prime is 40282246421. The reversal of 40282246420 is 2464228204.

It can be written as a sum of positive squares in 8 ways, for example, as 1450391056 + 38831855364 = 38084^2 + 197058^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40282246421) 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, 2663697 + ... + 2678776.

It is an arithmetic number, because the mean of its divisors is an integer number (1963359195).

Almost surely, 2^40282246420 is an apocalyptic number.

It is an amenable number.

40282246420 is an abundant number, since it is smaller than the sum of its proper divisors (53958994940).

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

40282246420 is a wasteful number, since it uses less digits than its factorization.

40282246420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5342524 (or 5342522 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

The spelling of 40282246420 in words is "forty billion, two hundred eighty-two million, two hundred forty-six thousand, four hundred twenty".