28440285458370 has 16 divisors (see below), whose sum is σ = 68256685100160. Its totient is φ = 7584076122224.

The previous prime is 28440285458339. The next prime is 28440285458419. The reversal of 28440285458370 is 7385458204482.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474004757610 + ... + 474004757669.

It is an arithmetic number, because the mean of its divisors is an integer number (4266042818760).

Almost surely, 2^{28440285458370} is an apocalyptic number.

28440285458370 is an abundant number, since it is smaller than the sum of its proper divisors (39816399641790).

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

28440285458370 is a wasteful number, since it uses less digits than its factorization.

28440285458370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948009515289.

The product of its (nonzero) digits is 68812800, while the sum is 60.

The spelling of 28440285458370 in words is "twenty-eight trillion, four hundred forty billion, two hundred eighty-five million, four hundred fifty-eight thousand, three hundred seventy".