40042024220 has 36 divisors (see below), whose sum is σ = 92427587112. Its totient is φ = 14560735200.

The previous prime is 40042024207. The next prime is 40042024249. The reversal of 40042024220 is 2242024004.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 40042024192 and 40042024201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8270726 + ... + 8275565.

Almost surely, 2^40042024220 is an apocalyptic number.

It is an amenable number.

40042024220 is an abundant number, since it is smaller than the sum of its proper divisors (52385562892).

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

40042024220 is a wasteful number, since it uses less digits than its factorization.

40042024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16546322 (or 16546309 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40042024220 its reverse (2242024004), we get a palindrome (42284048224).

The spelling of 40042024220 in words is "forty billion, forty-two million, twenty-four thousand, two hundred twenty".