42257416752025 has 24 divisors (see below), whose sum is σ = 52527963236504. Its totient is φ = 33722871436800.

The previous prime is 42257416751999. The next prime is 42257416752053. The reversal of 42257416752025 is 52025761475224.

It can be written as a sum of positive squares in 12 ways, for example, as 23469257762064 + 18788158989961 = 4844508^2 + 4334531^2 .

It is not a de Polignac number, because 42257416752025 - 2¹³ = 42257416743833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133477819 + ... + 133794031.

Almost surely, 2^{42257416752025} is an apocalyptic number.

It is an amenable number.

42257416752025 is a deficient number, since it is larger than the sum of its proper divisors (10270546484479).

42257416752025 is a wasteful number, since it uses less digits than its factorization.

42257416752025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329341 (or 329336 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 52.

The spelling of 42257416752025 in words is "forty-two trillion, two hundred fifty-seven billion, four hundred sixteen million, seven hundred fifty-two thousand, twenty-five".