40528760208 has 80 divisors (see below), whose sum is σ = 106208309376. Its totient is φ = 13315138560.

The previous prime is 40528760203. The next prime is 40528760213. The reversal of 40528760208 is 80206782504.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40528760203) and next prime (40528760213).

It is a self number, because there is not a number n which added to its sum of digits gives 40528760208.

It is not an unprimeable number, because it can be changed into a prime (40528760203) 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, 6412666 + ... + 6418982.

Almost surely, 2^40528760208 is an apocalyptic number.

40528760208 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 40528760208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53104154688).

40528760208 is an abundant number, since it is smaller than the sum of its proper divisors (65679549168).

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

40528760208 is a wasteful number, since it uses less digits than its factorization.

40528760208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232 (or 8226 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 40528760208 in words is "forty billion, five hundred twenty-eight million, seven hundred sixty thousand, two hundred eight".