6255151440 has 40 divisors (see below), whose sum is σ = 19390970208. Its totient is φ = 1668040320.

The previous prime is 6255151417. The next prime is 6255151457. The reversal of 6255151440 is 441515526.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13031326 + ... + 13031805.

Almost surely, 2^6255151440 is an apocalyptic number.

6255151440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6255151440 is an abundant number, since it is smaller than the sum of its proper divisors (13135818768).

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

6255151440 is a wasteful number, since it uses less digits than its factorization.

6255151440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26063147 (or 26063141 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 6255151440 is about 79089.5153607607. The cubic root of 6255151440 is about 1842.5216921338.

Adding to 6255151440 its reverse (441515526), we get a palindrome (6696666966).

The spelling of 6255151440 in words is "six billion, two hundred fifty-five million, one hundred fifty-one thousand, four hundred forty".