1487358444 has 48 divisors (see below), whose sum is σ = 4077239040. Its totient is φ = 416043840.

The previous prime is 1487358427. The next prime is 1487358461. The reversal of 1487358444 is 4448537841.

It is an interprime number because it is at equal distance from previous prime (1487358427) and next prime (1487358461).

It is a super-2 number, since 2×1487358444² = 4424470281876202272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1487358393 and 1487358402.

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, 431664 + ... + 435095.

It is an arithmetic number, because the mean of its divisors is an integer number (84942480).

Almost surely, 2^1487358444 is an apocalyptic number.

It is an amenable number.

1487358444 is an abundant number, since it is smaller than the sum of its proper divisors (2589880596).

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

1487358444 is a wasteful number, since it uses less digits than its factorization.

1487358444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866790 (or 866788 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 48.

The square root of 1487358444 is about 38566.2863651661. The cubic root of 1487358444 is about 1141.4893952284.

The spelling of 1487358444 in words is "one billion, four hundred eighty-seven million, three hundred fifty-eight thousand, four hundred forty-four".