342258210840 has 256 divisors, whose sum is σ = 1294546821120. Its totient is φ = 70451343360.

The previous prime is 342258210839. The next prime is 342258210883. The reversal of 342258210840 is 48012852243.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65497 + ... + 829943.

It is an arithmetic number, because the mean of its divisors is an integer number (5056823520).

Almost surely, 2^342258210840 is an apocalyptic number.

342258210840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342258210840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647273410560).

342258210840 is an abundant number, since it is smaller than the sum of its proper divisors (952288610280).

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

342258210840 is a wasteful number, since it uses less digits than its factorization.

342258210840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764522 (or 764518 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 342258210840 in words is "three hundred forty-two billion, two hundred fifty-eight million, two hundred ten thousand, eight hundred forty".