387542000840 has 32 divisors (see below), whose sum is σ = 884250768960. Its totient is φ = 152833464000.

The previous prime is 387542000803. The next prime is 387542000903. The reversal of 387542000840 is 48000245783.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68226386 + ... + 68232065.

It is an arithmetic number, because the mean of its divisors is an integer number (27632836530).

Almost surely, 2^387542000840 is an apocalyptic number.

It is an amenable number.

387542000840 is an abundant number, since it is smaller than the sum of its proper divisors (496708768120).

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

387542000840 is a wasteful number, since it uses less digits than its factorization.

387542000840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136458533 (or 136458529 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 387542000840 in words is "three hundred eighty-seven billion, five hundred forty-two million, eight hundred forty", and thus it is an aban number.