10420016280025 has 81 divisors (see below), whose sum is σ = 14993904614493. Its totient is φ = 7177017196800.

The previous prime is 10420016280019. The next prime is 10420016280053. The reversal of 10420016280025 is 52008261002401.

The square root of 10420016280025 is 3228005.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1256342831689 + 9163673448336 = 1120867^2 + 3027156^2 .

It is not a de Polignac number, because 10420016280025 - 2¹⁵ = 10420016247257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3373263681 + ... + 3373266769.

Almost surely, 2^{10420016280025} is an apocalyptic number.

10420016280025 is the 3228005-th square number.

10420016280025 is the 1614003-rd centered octagonal number.

It is an amenable number.

10420016280025 is a deficient number, since it is larger than the sum of its proper divisors (4573888334468).

10420016280025 is an frugal number, since it uses more digits than its factorization.

10420016280025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248 (or 3124 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 10420016280025 its reverse (52008261002401), we get a palindrome (62428277282426).

The spelling of 10420016280025 in words is "ten trillion, four hundred twenty billion, sixteen million, two hundred eighty thousand, twenty-five".