21445077302 has 32 divisors (see below), whose sum is σ = 35465174784. Its totient is φ = 9644263200.

The previous prime is 21445077299. The next prime is 21445077317. The reversal of 21445077302 is 20377054412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2889977 + ... + 2897387.

It is an arithmetic number, because the mean of its divisors is an integer number (1108286712).

Almost surely, 2^21445077302 is an apocalyptic number.

21445077302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21445077302 is a deficient number, since it is larger than the sum of its proper divisors (14020097482).

21445077302 is a wasteful number, since it uses less digits than its factorization.

21445077302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8804.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 21445077302 in words is "twenty-one billion, four hundred forty-five million, seventy-seven thousand, three hundred two".