1493788500 has 96 divisors (see below), whose sum is σ = 4833279360. Its totient is φ = 398340000.

The previous prime is 1493788477. The next prime is 1493788501. The reversal of 1493788500 is 58873941.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493788501) 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, 41826 + ... + 68825.

It is an arithmetic number, because the mean of its divisors is an integer number (50346660).

Almost surely, 2^1493788500 is an apocalyptic number.

1493788500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493788500 is an abundant number, since it is smaller than the sum of its proper divisors (3339490860).

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

1493788500 is a wasteful number, since it uses less digits than its factorization.

1493788500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110679 (or 110661 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1493788500 is about 38649.5601527365. The cubic root of 1493788500 is about 1143.1319692486.

The spelling of 1493788500 in words is "one billion, four hundred ninety-three million, seven hundred eighty-eight thousand, five hundred".