1284096540 has 48 divisors (see below), whose sum is σ = 3649145472. Its totient is φ = 337313856.

The previous prime is 1284096533. The next prime is 1284096553. The reversal of 1284096540 is 456904821.

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, 155694 + ... + 163733.

It is an arithmetic number, because the mean of its divisors is an integer number (76023864).

Almost surely, 2^1284096540 is an apocalyptic number.

1284096540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1284096540 is an abundant number, since it is smaller than the sum of its proper divisors (2365048932).

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

1284096540 is a wasteful number, since it uses less digits than its factorization.

1284096540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319506 (or 319504 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1284096540 is about 35834.2927933565. The cubic root of 1284096540 is about 1086.9241173454.

The spelling of 1284096540 in words is "one billion, two hundred eighty-four million, ninety-six thousand, five hundred forty".