2651210057240 has 32 divisors (see below), whose sum is σ = 5966668414080. Its totient is φ = 1060226994432.

The previous prime is 2651210057239. The next prime is 2651210057269. The reversal of 2651210057240 is 427500121562.

It is a super-2 number, since 2×2651210057240² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2651210057240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7864997 + ... + 8195156.

It is an arithmetic number, because the mean of its divisors is an integer number (186458387940).

Almost surely, 2^{2651210057240} is an apocalyptic number.

2651210057240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2651210057240 is an abundant number, since it is smaller than the sum of its proper divisors (3315458356840).

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

2651210057240 is a wasteful number, since it uses less digits than its factorization.

2651210057240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16064291 (or 16064287 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 2651210057240 in words is "two trillion, six hundred fifty-one billion, two hundred ten million, fifty-seven thousand, two hundred forty".