1493649240 has 64 divisors (see below), whose sum is σ = 4744539360. Its totient is φ = 374876160.

The previous prime is 1493649239. The next prime is 1493649259. The reversal of 1493649240 is 429463941.

It is a super-3 number, since 3×1493649240³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1493649192 and 1493649201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364051 + ... + 368130.

Almost surely, 2^1493649240 is an apocalyptic number.

1493649240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493649240 is an abundant number, since it is smaller than the sum of its proper divisors (3250890120).

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

1493649240 is a wasteful number, since it uses less digits than its factorization.

1493649240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732212 (or 732208 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 1493649240 is about 38647.7585378505. The cubic root of 1493649240 is about 1143.0964449190.

The spelling of 1493649240 in words is "one billion, four hundred ninety-three million, six hundred forty-nine thousand, two hundred forty".