1487787240 has 64 divisors (see below), whose sum is σ = 4475275200. Its totient is φ = 395684352.

The previous prime is 1487787199. The next prime is 1487787241. The reversal of 1487787240 is 427877841.

It is a self number, because there is not a number n which added to its sum of digits gives 1487787240.

It is not an unprimeable number, because it can be changed into a prime (1487787241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29124 + ... + 61836.

It is an arithmetic number, because the mean of its divisors is an integer number (69926175).

Almost surely, 2^1487787240 is an apocalyptic number.

1487787240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1487787240 is an abundant number, since it is smaller than the sum of its proper divisors (2987487960).

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

1487787240 is a wasteful number, since it uses less digits than its factorization.

1487787240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33106 (or 33102 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 48.

The square root of 1487787240 is about 38571.8451723534. The cubic root of 1487787240 is about 1141.5990794047.

The spelling of 1487787240 in words is "one billion, four hundred eighty-seven million, seven hundred eighty-seven thousand, two hundred forty".