3857612540 has 24 divisors (see below), whose sum is σ = 8102346000. Its totient is φ = 1542786048.

The previous prime is 3857612537. The next prime is 3857612557. The reversal of 3857612540 is 452167583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145211 + ... + 169709.

It is an arithmetic number, because the mean of its divisors is an integer number (337597750).

Almost surely, 2^3857612540 is an apocalyptic number.

It is an amenable number.

3857612540 is an abundant number, since it is smaller than the sum of its proper divisors (4244733460).

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

3857612540 is a wasteful number, since it uses less digits than its factorization.

3857612540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32381 (or 32379 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 3857612540 is about 62109.6815319480. The cubic root of 3857612540 is about 1568.3375291835.

The spelling of 3857612540 in words is "three billion, eight hundred fifty-seven million, six hundred twelve thousand, five hundred forty".