3867531263442 has 192 divisors, whose sum is σ = 11548146775680. Its totient is φ = 945462067200.

The previous prime is 3867531263413. The next prime is 3867531263443. The reversal of 3867531263442 is 2443621357683.

3867531263442 is a `hidden beast` number, since 3 + 8 + 6 + 7 + 531 + 2 + 63 + 4 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3867531263443) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3413359 + ... + 4402962.

It is an arithmetic number, because the mean of its divisors is an integer number (60146597790).

Almost surely, 2^{3867531263442} is an apocalyptic number.

3867531263442 is an abundant number, since it is smaller than the sum of its proper divisors (7680615512238).

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

3867531263442 is a wasteful number, since it uses less digits than its factorization.

3867531263442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7816374 (or 7816361 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 54.

The spelling of 3867531263442 in words is "three trillion, eight hundred sixty-seven billion, five hundred thirty-one million, two hundred sixty-three thousand, four hundred forty-two".