4049100025 has 12 divisors (see below), whose sum is σ = 5022303552. Its totient is φ = 3238364240.

The previous prime is 4049100023. The next prime is 4049100037. The reversal of 4049100025 is 5200019404.

It is not a de Polignac number, because 4049100025 - 2¹ = 4049100023 is a prime.

It is a super-2 number, since 2×4049100025² = 32790422024910001250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4049100023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75612 + ... + 117538.

It is an arithmetic number, because the mean of its divisors is an integer number (418525296).

Almost surely, 2^4049100025 is an apocalyptic number.

It is an amenable number.

4049100025 is a deficient number, since it is larger than the sum of its proper divisors (973203527).

4049100025 is a wasteful number, since it uses less digits than its factorization.

4049100025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45800 (or 45795 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4049100025 is about 63632.5390425370. The cubic root of 4049100025 is about 1593.8697751326.

Adding to 4049100025 its reverse (5200019404), we get a palindrome (9249119429).

The spelling of 4049100025 in words is "four billion, forty-nine million, one hundred thousand, twenty-five".