1487704240 has 40 divisors (see below), whose sum is σ = 3773361168. Its totient is φ = 540983040.

The previous prime is 1487704219. The next prime is 1487704243. The reversal of 1487704240 is 424077841.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1487704240.

It is not an unprimeable number, because it can be changed into a prime (1487704243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844407 + ... + 846166.

Almost surely, 2^1487704240 is an apocalyptic number.

1487704240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1487704240 is an abundant number, since it is smaller than the sum of its proper divisors (2285656928).

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

1487704240 is a wasteful number, since it uses less digits than its factorization.

1487704240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690597 (or 1690591 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 1487704240 is about 38570.7692430421. The cubic root of 1487704240 is about 1141.5778500060.

The spelling of 1487704240 in words is "one billion, four hundred eighty-seven million, seven hundred four thousand, two hundred forty".