40220240208 has 80 divisors (see below), whose sum is σ = 108531494016. Its totient is φ = 12810631680.

The previous prime is 40220240201. The next prime is 40220240209. The reversal of 40220240208 is 80204202204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220240201) 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, 1082418 + ... + 1118958.

Almost surely, 2^40220240208 is an apocalyptic number.

40220240208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40220240208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54265747008).

40220240208 is an abundant number, since it is smaller than the sum of its proper divisors (68311253808).

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

40220240208 is a wasteful number, since it uses less digits than its factorization.

40220240208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37572 (or 37566 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The spelling of 40220240208 in words is "forty billion, two hundred twenty million, two hundred forty thousand, two hundred eight".