265643005362046 has 48 divisors (see below), whose sum is σ = 446364576840960. Its totient is φ = 118373334119040.

The previous prime is 265643005362001. The next prime is 265643005362073. The reversal of 265643005362046 is 640263500346562.

It is a super-2 number, since 2×265643005362046² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265643005361984 and 265643005362002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358903011 + ... + 359642401.

It is an arithmetic number, because the mean of its divisors is an integer number (9299262017520).

Almost surely, 2^{265643005362046} is an apocalyptic number.

265643005362046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

265643005362046 is a deficient number, since it is larger than the sum of its proper divisors (180721571478914).

265643005362046 is a wasteful number, since it uses less digits than its factorization.

265643005362046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776101 (or 776088 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 52.

The spelling of 265643005362046 in words is "two hundred sixty-five trillion, six hundred forty-three billion, five million, three hundred sixty-two thousand, forty-six".