28622901542 has 8 divisors (see below), whose sum is σ = 42942274032. Its totient is φ = 14308810200.

The previous prime is 28622901533. The next prime is 28622901553. The reversal of 28622901542 is 24510922682.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28622901542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306709 + ... + 1328432.

It is an arithmetic number, because the mean of its divisors is an integer number (5367784254).

Almost surely, 2^28622901542 is an apocalyptic number.

28622901542 is a deficient number, since it is larger than the sum of its proper divisors (14319372490).

28622901542 is a wasteful number, since it uses less digits than its factorization.

28622901542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640574.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 28622901542 in words is "twenty-eight billion, six hundred twenty-two million, nine hundred one thousand, five hundred forty-two".