32728661460454 has 4 divisors (see below), whose sum is σ = 49092992190684. Its totient is φ = 16364330730226.

The previous prime is 32728661460359. The next prime is 32728661460463. The reversal of 32728661460454 is 45406416682723.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×32728661460454² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8182165365112 + ... + 8182165365115.

It is an arithmetic number, because the mean of its divisors is an integer number (12273248047671).

Almost surely, 2^{32728661460454} is an apocalyptic number.

32728661460454 is a deficient number, since it is larger than the sum of its proper divisors (16364330730230).

32728661460454 is a wasteful number, since it uses less digits than its factorization.

32728661460454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16364330730229.

The product of its (nonzero) digits is 46448640, while the sum is 58.

The spelling of 32728661460454 in words is "thirty-two trillion, seven hundred twenty-eight billion, six hundred sixty-one million, four hundred sixty thousand, four hundred fifty-four".