4395557401 has 9 divisors (see below), whose sum is σ = 4433202399. Its totient is φ = 4358231064.

The previous prime is 4395557377. The next prime is 4395557423. The reversal of 4395557401 is 1047555934.

The square root of 4395557401 is 66299.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2945775625 + 1449781776 = 54275^2 + 38076^2 .

It is not a de Polignac number, because 4395557401 - 2⁷ = 4395557273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4395557501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11071735 + ... + 11072131.

Almost surely, 2^4395557401 is an apocalyptic number.

4395557401 is the 66299-th square number.

4395557401 is the 33150-th centered octagonal number.

It is an amenable number.

4395557401 is a deficient number, since it is larger than the sum of its proper divisors (37644998).

4395557401 is an frugal number, since it uses more digits than its factorization.

4395557401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The cubic root of 4395557401 is about 1638.0908530805.

The spelling of 4395557401 in words is "four billion, three hundred ninety-five million, five hundred fifty-seven thousand, four hundred one".