2025400440202 has 4 divisors (see below), whose sum is σ = 3038100660306. Its totient is φ = 1012700220100.

The previous prime is 2025400440191. The next prime is 2025400440221. The reversal of 2025400440202 is 2020440045202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1549823316561 + 475577123641 = 1244919^2 + 689621^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506350110049 + ... + 506350110052.

Almost surely, 2^{2025400440202} is an apocalyptic number.

2025400440202 is a deficient number, since it is larger than the sum of its proper divisors (1012700220104).

2025400440202 is a wasteful number, since it uses less digits than its factorization.

2025400440202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012700220103.

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 2025400440202 its reverse (2020440045202), we get a palindrome (4045840485404).

The spelling of 2025400440202 in words is "two trillion, twenty-five billion, four hundred million, four hundred forty thousand, two hundred two".