40728527802 has 12 divisors (see below), whose sum is σ = 88245143610. Its totient is φ = 13576175928.

The previous prime is 40728527789. The next prime is 40728527803. The reversal of 40728527802 is 20872582704.

40728527802 is a `hidden beast` number, since 40 + 7 + 2 + 8 + 527 + 80 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29914815681 + 10813712121 = 172959^2 + 103989^2 .

It is not an unprimeable number, because it can be changed into a prime (40728527803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1131347977 + ... + 1131348012.

Almost surely, 2^40728527802 is an apocalyptic number.

40728527802 is an abundant number, since it is smaller than the sum of its proper divisors (47516615808).

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

40728527802 is a wasteful number, since it uses less digits than its factorization.

40728527802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262695997 (or 2262695994 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 40728527802 in words is "forty billion, seven hundred twenty-eight million, five hundred twenty-seven thousand, eight hundred two".