25435445000407 has 32 divisors (see below), whose sum is σ = 28465272864000. Its totient is φ = 22576496117760.

The previous prime is 25435445000351. The next prime is 25435445000429. The reversal of 25435445000407 is 70400054453452.

It is not a de Polignac number, because 25435445000407 - 2²³ = 25435436611799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25435445004407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23428069 + ... + 24489697.

It is an arithmetic number, because the mean of its divisors is an integer number (889539777000).

Almost surely, 2^{25435445000407} is an apocalyptic number.

25435445000407 is a deficient number, since it is larger than the sum of its proper divisors (3029827863593).

25435445000407 is a wasteful number, since it uses less digits than its factorization.

25435445000407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062331.

The product of its (nonzero) digits is 1344000, while the sum is 43.

Adding to 25435445000407 its reverse (70400054453452), we get a palindrome (95835499453859).

The spelling of 25435445000407 in words is "twenty-five trillion, four hundred thirty-five billion, four hundred forty-five million, four hundred seven", and thus it is an aban number.