40347221600 has 72 divisors (see below), whose sum is σ = 112568763888. Its totient is φ = 13833331200.

The previous prime is 40347221591. The next prime is 40347221633. The reversal of 40347221600 is 612274304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3596831 + ... + 3608030.

It is an arithmetic number, because the mean of its divisors is an integer number (1563455054).

Almost surely, 2^40347221600 is an apocalyptic number.

40347221600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40347221600 is an abundant number, since it is smaller than the sum of its proper divisors (72221542288).

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

40347221600 is a wasteful number, since it uses less digits than its factorization.

40347221600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204888 (or 7204875 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 40347221600 its reverse (612274304), we get a palindrome (40959495904).

The spelling of 40347221600 in words is "forty billion, three hundred forty-seven million, two hundred twenty-one thousand, six hundred".