1492169867520 has 144 divisors (see below), whose sum is σ = 4767217929600. Its totient is φ = 397778337792.

The previous prime is 1492169867483. The next prime is 1492169867521. The reversal of 1492169867520 is 257689612941.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (1492169867521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11644437 + ... + 11771883.

Almost surely, 2^{1492169867520} is an apocalyptic number.

1492169867520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1492169867520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2383608964800).

1492169867520 is an abundant number, since it is smaller than the sum of its proper divisors (3275048062080).

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

1492169867520 is a wasteful number, since it uses less digits than its factorization.

1492169867520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130520 (or 130506 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 1492169867520 in words is "one trillion, four hundred ninety-two billion, one hundred sixty-nine million, eight hundred sixty-seven thousand, five hundred twenty".