28501381462 has 16 divisors (see below), whose sum is σ = 44258383872. Its totient is φ = 13751237160.

The previous prime is 28501381417. The next prime is 28501381481. The reversal of 28501381462 is 26418310582.

It is a congruent 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, 640878 + ... + 683905.

It is an arithmetic number, because the mean of its divisors is an integer number (2766148992).

Almost surely, 2^28501381462 is an apocalyptic number.

28501381462 is a deficient number, since it is larger than the sum of its proper divisors (15757002410).

28501381462 is a wasteful number, since it uses less digits than its factorization.

28501381462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325163.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 28501381462 in words is "twenty-eight billion, five hundred one million, three hundred eighty-one thousand, four hundred sixty-two".