2516378751390 has 32 divisors (see below), whose sum is σ = 6902067432960. Its totient is φ = 575172285984.

The previous prime is 2516378751319. The next prime is 2516378751391. The reversal of 2516378751390 is 931578736152.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2516378751390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516378751391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5991377770 + ... + 5991378189.

It is an arithmetic number, because the mean of its divisors is an integer number (215689607280).

Almost surely, 2^{2516378751390} is an apocalyptic number.

2516378751390 is an abundant number, since it is smaller than the sum of its proper divisors (4385688681570).

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

2516378751390 is a wasteful number, since it uses less digits than its factorization.

2516378751390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11982755976.

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 2516378751390 in words is "two trillion, five hundred sixteen billion, three hundred seventy-eight million, seven hundred fifty-one thousand, three hundred ninety".