28490824270 has 16 divisors (see below), whose sum is σ = 53513200800. Its totient is φ = 10900837024.

The previous prime is 28490824267. The next prime is 28490824309. The reversal of 28490824270 is 7242809482.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 28490824270.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 61936345 + ... + 61936804.

It is an arithmetic number, because the mean of its divisors is an integer number (3344575050).

Almost surely, 2^28490824270 is an apocalyptic number.

28490824270 is a deficient number, since it is larger than the sum of its proper divisors (25022376530).

28490824270 is a wasteful number, since it uses less digits than its factorization.

28490824270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123873179.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 28490824270 in words is "twenty-eight billion, four hundred ninety million, eight hundred twenty-four thousand, two hundred seventy".