40026563600 has 60 divisors (see below), whose sum is σ = 96243246660. Its totient is φ = 15997401600.

The previous prime is 40026563587. The next prime is 40026563623. The reversal of 40026563600 is 636562004.

It can be written as a sum of positive squares in 6 ways, for example, as 10486579216 + 29539984384 = 102404^2 + 171872^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450890 + ... + 532310.

It is an arithmetic number, because the mean of its divisors is an integer number (1604054111).

Almost surely, 2^40026563600 is an apocalyptic number.

40026563600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40026563600 is an abundant number, since it is smaller than the sum of its proper divisors (56216683060).

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

40026563600 is a wasteful number, since it uses less digits than its factorization.

40026563600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82668 (or 82657 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 40026563600 in words is "forty billion, twenty-six million, five hundred sixty-three thousand, six hundred".