1493905880 has 16 divisors (see below), whose sum is σ = 3361288320. Its totient is φ = 597562336.

The previous prime is 1493905849. The next prime is 1493905937. The reversal of 1493905880 is 885093941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18673784 + ... + 18673863.

It is an arithmetic number, because the mean of its divisors is an integer number (210080520).

Almost surely, 2^1493905880 is an apocalyptic number.

1493905880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493905880 is an abundant number, since it is smaller than the sum of its proper divisors (1867382440).

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

1493905880 is a wasteful number, since it uses less digits than its factorization.

1493905880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37347658 (or 37347654 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 1493905880 is about 38651.0786395412. The cubic root of 1493905880 is about 1143.1619104163.

The spelling of 1493905880 in words is "one billion, four hundred ninety-three million, nine hundred five thousand, eight hundred eighty".