4257156455 has 8 divisors (see below), whose sum is σ = 5117091504. Its totient is φ = 3400056000.

The previous prime is 4257156443. The next prime is 4257156469. The reversal of 4257156455 is 5546517524.

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

It is not a de Polignac number, because 4257156455 - 2¹⁶ = 4257090919 is a prime.

It is a Duffinian number.

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, 705341 + ... + 711350.

It is an arithmetic number, because the mean of its divisors is an integer number (639636438).

Almost surely, 2^4257156455 is an apocalyptic number.

4257156455 is a deficient number, since it is larger than the sum of its proper divisors (859935049).

4257156455 is a wasteful number, since it uses less digits than its factorization.

4257156455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417297.

The product of its digits is 840000, while the sum is 44.

The square root of 4257156455 is about 65246.8884698726. Note that the first 3 decimals coincide. The cubic root of 4257156455 is about 1620.7145726072.

The spelling of 4257156455 in words is "four billion, two hundred fifty-seven million, one hundred fifty-six thousand, four hundred fifty-five".