1493791632 has 100 divisors (see below), whose sum is σ = 4577855436. Its totient is φ = 468633600.

The previous prime is 1493791631. The next prime is 1493791657. The reversal of 1493791632 is 2361973941.

1493791632 is a `hidden beast` number, since 1 + 4 + 9 + 3 + 7 + 9 + 1 + 632 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 956293776 + 537497856 = 30924^2 + 23184^2 .

It is not an unprimeable number, because it can be changed into a prime (1493791631) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 11869 + ... + 55932.

Almost surely, 2^1493791632 is an apocalyptic number.

1493791632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1493791632 is an abundant number, since it is smaller than the sum of its proper divisors (3084063804).

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

1493791632 is a wasteful number, since it uses less digits than its factorization.

1493791632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67838 (or 67823 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 1493791632 is about 38649.6006706408. The cubic root of 1493791632 is about 1143.1327681763.

The spelling of 1493791632 in words is "one billion, four hundred ninety-three million, seven hundred ninety-one thousand, six hundred thirty-two".