4020261472 has 12 divisors (see below), whose sum is σ = 7914889836. Its totient is φ = 2010130720.

The previous prime is 4020261467. The next prime is 4020261527. The reversal of 4020261472 is 2741620204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4020261472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62816554 + ... + 62816617.

It is an arithmetic number, because the mean of its divisors is an integer number (659574153).

Almost surely, 2^4020261472 is an apocalyptic number.

It is an amenable number.

4020261472 is a deficient number, since it is larger than the sum of its proper divisors (3894628364).

4020261472 is a wasteful number, since it uses less digits than its factorization.

4020261472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125633181 (or 125633173 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4020261472 is about 63405.5318722270. The cubic root of 4020261472 is about 1590.0767959954.

Adding to 4020261472 its reverse (2741620204), we get a palindrome (6761881676).

The spelling of 4020261472 in words is "four billion, twenty million, two hundred sixty-one thousand, four hundred seventy-two".