2354215668 has 24 divisors (see below), whose sum is σ = 6277908672. Its totient is φ = 672633024.

The previous prime is 2354215667. The next prime is 2354215693. The reversal of 2354215668 is 8665124532.

2354215668 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2354215668² = 11084662822913372448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2354215667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14013105 + ... + 14013272.

It is an arithmetic number, because the mean of its divisors is an integer number (261579528).

Almost surely, 2^2354215668 is an apocalyptic number.

2354215668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2354215668 is an abundant number, since it is smaller than the sum of its proper divisors (3923693004).

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

2354215668 is a wasteful number, since it uses less digits than its factorization.

2354215668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28026391 (or 28026389 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 2354215668 is about 48520.2603867704. The cubic root of 2354215668 is about 1330.2974193049.

The spelling of 2354215668 in words is "two billion, three hundred fifty-four million, two hundred fifteen thousand, six hundred sixty-eight".