1492215168640 has 128 divisors (see below), whose sum is σ = 4132794481920. Its totient is φ = 504608071680.

The previous prime is 1492215168617. The next prime is 1492215168709. The reversal of 1492215168640 is 468615122941.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1492215168640² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1954356 + ... + 2608435.

It is an arithmetic number, because the mean of its divisors is an integer number (32287456890).

Almost surely, 2^{1492215168640} is an apocalyptic number.

1492215168640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1492215168640 is an abundant number, since it is smaller than the sum of its proper divisors (2640579313280).

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

1492215168640 is an equidigital number, since it uses as much as digits as its factorization.

1492215168640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562890 (or 4562878 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 1492215168640 in words is "one trillion, four hundred ninety-two billion, two hundred fifteen million, one hundred sixty-eight thousand, six hundred forty".