4026402500 has 30 divisors (see below), whose sum is σ = 8804942454. Its totient is φ = 1610560000.

The previous prime is 4026402449. The next prime is 4026402511. The reversal of 4026402500 is 52046204.

It can be written as a sum of positive squares in 5 ways, for example, as 2495402116 + 1531000384 = 49954^2 + 39128^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 802781 + ... + 807780.

Almost surely, 2^4026402500 is an apocalyptic number.

It is an amenable number.

4026402500 is an abundant number, since it is smaller than the sum of its proper divisors (4778539954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4026402500 is a wasteful number, since it uses less digits than its factorization.

4026402500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610585 (or 1610568 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4026402500 is about 63453.9399879944. The cubic root of 4026402500 is about 1590.8860085705.

Adding to 4026402500 its reverse (52046204), we get a palindrome (4078448704).

The spelling of 4026402500 in words is "four billion, twenty-six million, four hundred two thousand, five hundred".