342377280 has 672 divisors, whose sum is σ = 1517757696. Its totient is φ = 71663616.

The previous prime is 342377261. The next prime is 342377291. The reversal of 342377280 is 82773243.

342377280 is a `hidden beast` number, since 3 + 4 + 2 + 377 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

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 95 ways as a sum of consecutive naturals, for example, 9253422 + ... + 9253458.

It is an arithmetic number, because the mean of its divisors is an integer number (2258568).

Almost surely, 2^342377280 is an apocalyptic number.

342377280 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 342377280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758878848).

342377280 is an abundant number, since it is smaller than the sum of its proper divisors (1175380416).

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

342377280 is a wasteful number, since it uses less digits than its factorization.

342377280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 342377280 is about 18503.4396802324. The cubic root of 342377280 is about 699.5761243319.

The spelling of 342377280 in words is "three hundred forty-two million, three hundred seventy-seven thousand, two hundred eighty".