342154221552 has 240 divisors, whose sum is σ = 1166628747648. Its totient is φ = 95707319040.

The previous prime is 342154221529. The next prime is 342154221581. The reversal of 342154221552 is 255122451243.

342154221552 is a `hidden beast` number, since 3 + 4 + 215 + 422 + 15 + 5 + 2 = 666.

It is a super-2 number, since 2×342154221552² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 248283 + ... + 863685.

Almost surely, 2^342154221552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342154221552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583314373824).

342154221552 is an abundant number, since it is smaller than the sum of its proper divisors (824474526096).

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

342154221552 is a wasteful number, since it uses less digits than its factorization.

342154221552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615450 (or 615432 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 342154221552 its reverse (255122451243), we get a palindrome (597276672795).

The spelling of 342154221552 in words is "three hundred forty-two billion, one hundred fifty-four million, two hundred twenty-one thousand, five hundred fifty-two".