1535406223542 has 8 divisors (see below), whose sum is σ = 3070812447096. Its totient is φ = 511802074512.

The previous prime is 1535406223541. The next prime is 1535406223577. The reversal of 1535406223542 is 2453226045351.

It is a sphenic number, since it is the product of 3 distinct primes.

1535406223542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1535406223494 and 1535406223503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535406223541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127950518623 + ... + 127950518634.

It is an arithmetic number, because the mean of its divisors is an integer number (383851555887).

Almost surely, 2^{1535406223542} is an apocalyptic number.

1535406223542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1535406223542 is a wasteful number, since it uses less digits than its factorization.

1535406223542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255901037262.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 1535406223542 in words is "one trillion, five hundred thirty-five billion, four hundred six million, two hundred twenty-three thousand, five hundred forty-two".