6261365240 has 32 divisors (see below), whose sum is σ = 15171770880. Its totient is φ = 2311888512.

The previous prime is 6261365167. The next prime is 6261365261. The reversal of 6261365240 is 425631626.

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 6261365240.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6020024 + ... + 6021063.

It is an arithmetic number, because the mean of its divisors is an integer number (474117840).

Almost surely, 2^6261365240 is an apocalyptic number.

It is an amenable number.

6261365240 is an abundant number, since it is smaller than the sum of its proper divisors (8910405640).

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

6261365240 is a wasteful number, since it uses less digits than its factorization.

6261365240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12041111 (or 12041107 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 6261365240 is about 79128.7889456170. The cubic root of 6261365240 is about 1843.1316039463.

Adding to 6261365240 its reverse (425631626), we get a palindrome (6686996866).

The spelling of 6261365240 in words is "six billion, two hundred sixty-one million, three hundred sixty-five thousand, two hundred forty".