42928455 has 8 divisors (see below), whose sum is σ = 68685552. Its totient is φ = 22895168.

The previous prime is 42928433. The next prime is 42928469. The reversal of 42928455 is 55482924.

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

It is a cyclic number.

It is not a de Polignac number, because 42928455 - 2⁵ = 42928423 is a prime.

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, 1430934 + ... + 1430963.

It is an arithmetic number, because the mean of its divisors is an integer number (8585694).

Almost surely, 2^42928455 is an apocalyptic number.

42928455 is a deficient number, since it is larger than the sum of its proper divisors (25757097).

42928455 is a wasteful number, since it uses less digits than its factorization.

42928455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861905.

The product of its digits is 115200, while the sum is 39.

The square root of 42928455 is about 6551.9809981409. The cubic root of 42928455 is about 350.1453953745.

The spelling of 42928455 in words is "forty-two million, nine hundred twenty-eight thousand, four hundred fifty-five".