1612066046440 has 32 divisors (see below), whose sum is σ = 3752222697000. Its totient is φ = 622591024384.

The previous prime is 1612066046413. The next prime is 1612066046453. The reversal of 1612066046440 is 446406602161.

It can be written as a sum of positive squares in 4 ways, for example, as 856324442884 + 755741603556 = 925378^2 + 869334^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1612066046393 and 1612066046402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694854895 + ... + 694857214.

Almost surely, 2^{1612066046440} is an apocalyptic number.

1612066046440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1612066046440 is an abundant number, since it is smaller than the sum of its proper divisors (2140156650560).

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

1612066046440 is a wasteful number, since it uses less digits than its factorization.

1612066046440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389712149 (or 1389712145 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 1612066046440 in words is "one trillion, six hundred twelve billion, sixty-six million, forty-six thousand, four hundred forty".