1487650440 has 32 divisors (see below), whose sum is σ = 4462951680. Its totient is φ = 396706752.

The previous prime is 1487650427. The next prime is 1487650457. The reversal of 1487650440 is 440567841.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6198424 + ... + 6198663.

It is an arithmetic number, because the mean of its divisors is an integer number (139467240).

Almost surely, 2^1487650440 is an apocalyptic number.

1487650440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1487650440 is an abundant number, since it is smaller than the sum of its proper divisors (2975301240).

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

1487650440 is a wasteful number, since it uses less digits than its factorization.

1487650440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12397101 (or 12397097 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 1487650440 is about 38570.0718174079. The cubic root of 1487650440 is about 1141.5640888414.

The spelling of 1487650440 in words is "one billion, four hundred eighty-seven million, six hundred fifty thousand, four hundred forty".