102261077446 has 64 divisors (see below), whose sum is σ = 177722449920. Its totient is φ = 43673081760.

The previous prime is 102261077441. The next prime is 102261077467. The reversal of 102261077446 is 644770162201.

It is a junction number, because it is equal to n+sod(n) for n = 102261077399 and 102261077408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102261077441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12437925 + ... + 12446143.

It is an arithmetic number, because the mean of its divisors is an integer number (2776913280).

Almost surely, 2^102261077446 is an apocalyptic number.

102261077446 is a deficient number, since it is larger than the sum of its proper divisors (75461372474).

102261077446 is a wasteful number, since it uses less digits than its factorization.

102261077446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8689.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 102261077446 in words is "one hundred two billion, two hundred sixty-one million, seventy-seven thousand, four hundred forty-six".