1493873940 has 48 divisors (see below), whose sum is σ = 4504606848. Its totient is φ = 367722624.

The previous prime is 1493873921. The next prime is 1493873959. The reversal of 1493873940 is 493783941.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1493873921) and next prime (1493873959).

It is a super-2 number, since 2×1493873940² = 4463318697222247200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1493873940.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956832 + ... + 958391.

It is an arithmetic number, because the mean of its divisors is an integer number (93845976).

Almost surely, 2^1493873940 is an apocalyptic number.

1493873940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493873940 is an abundant number, since it is smaller than the sum of its proper divisors (3010732908).

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

1493873940 is a wasteful number, since it uses less digits than its factorization.

1493873940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915248 (or 1915246 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 1493873940 is about 38650.6654535210. The cubic root of 1493873940 is about 1143.1537633498.

The spelling of 1493873940 in words is "one billion, four hundred ninety-three million, eight hundred seventy-three thousand, nine hundred forty".