4025454808 has 8 divisors (see below), whose sum is σ = 7547727780. Its totient is φ = 2012727400.

The previous prime is 4025454767. The next prime is 4025454809. The reversal of 4025454808 is 8084545204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4025454808² = 32408572822500633728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025454809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251590918 + ... + 251590933.

Almost surely, 2^4025454808 is an apocalyptic number.

It is an amenable number.

4025454808 is a deficient number, since it is larger than the sum of its proper divisors (3522272972).

4025454808 is a wasteful number, since it uses less digits than its factorization.

4025454808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503181857 (or 503181853 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 40.

The square root of 4025454808 is about 63446.4719901745. The cubic root of 4025454808 is about 1590.7611834737.

The spelling of 4025454808 in words is "four billion, twenty-five million, four hundred fifty-four thousand, eight hundred eight".