1494155485840 has 160 divisors (see below), whose sum is σ = 3615550732800. Its totient is φ = 573555333120.

The previous prime is 1494155485831. The next prime is 1494155485841. The reversal of 1494155485840 is 485845514941.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (1494155485841) 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, 288946455 + ... + 288951625.

It is an arithmetic number, because the mean of its divisors is an integer number (22597192080).

Almost surely, 2^{1494155485840} is an apocalyptic number.

1494155485840 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 1494155485840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807775366400).

1494155485840 is an abundant number, since it is smaller than the sum of its proper divisors (2121395246960).

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

1494155485840 is a wasteful number, since it uses less digits than its factorization.

1494155485840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5945 (or 5939 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 58.

The spelling of 1494155485840 in words is "one trillion, four hundred ninety-four billion, one hundred fifty-five million, four hundred eighty-five thousand, eight hundred forty".