2660400264246 has 32 divisors (see below), whose sum is σ = 5408344864608. Its totient is φ = 872211075840.

The previous prime is 2660400264239. The next prime is 2660400264271. The reversal of 2660400264246 is 6424620040662.

It is a junction number, because it is equal to n+sod(n) for n = 2660400264198 and 2660400264207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6286836 + ... + 6696648.

It is an arithmetic number, because the mean of its divisors is an integer number (169010777019).

Almost surely, 2^{2660400264246} is an apocalyptic number.

2660400264246 is an abundant number, since it is smaller than the sum of its proper divisors (2747944600362).

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

2660400264246 is a wasteful number, since it uses less digits than its factorization.

2660400264246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427616.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 2660400264246 in words is "two trillion, six hundred sixty billion, four hundred million, two hundred sixty-four thousand, two hundred forty-six".