40425011525 has 12 divisors (see below), whose sum is σ = 50389465344. Its totient is φ = 32170686000.

The previous prime is 40425011461. The next prime is 40425011567. The reversal of 40425011525 is 52511052404.

It is not a de Polignac number, because 40425011525 - 2⁶ = 40425011461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4228211 + ... + 4237760.

It is an arithmetic number, because the mean of its divisors is an integer number (4199122112).

Almost surely, 2^40425011525 is an apocalyptic number.

It is an amenable number.

40425011525 is a deficient number, since it is larger than the sum of its proper divisors (9964453819).

40425011525 is a wasteful number, since it uses less digits than its factorization.

40425011525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466172 (or 8466167 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 40425011525 its reverse (52511052404), we get a palindrome (92936063929).

The spelling of 40425011525 in words is "forty billion, four hundred twenty-five million, eleven thousand, five hundred twenty-five".