40220024440 has 16 divisors (see below), whose sum is σ = 90495055080. Its totient is φ = 16088009760.

The previous prime is 40220024393. The next prime is 40220024459. The reversal of 40220024440 is 4442002204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502750266 + ... + 502750345.

Almost surely, 2^40220024440 is an apocalyptic number.

40220024440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40220024440 is an abundant number, since it is smaller than the sum of its proper divisors (50275030640).

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

40220024440 is a wasteful number, since it uses less digits than its factorization.

40220024440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005500622 (or 1005500618 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40220024440 its reverse (4442002204), we get a palindrome (44662026644).

The spelling of 40220024440 in words is "forty billion, two hundred twenty million, twenty-four thousand, four hundred forty".