340785480 has 256 divisors, whose sum is σ = 1260748800. Its totient is φ = 71976960.

The previous prime is 340785479. The next prime is 340785493. The reversal of 340785480 is 84587043.

It is a super-2 number, since 2×340785480² = 232269486757660800, which contains 22 as substring.

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, 598636 + ... + 599204.

It is an arithmetic number, because the mean of its divisors is an integer number (4924800).

Almost surely, 2^340785480 is an apocalyptic number.

340785480 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 340785480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630374400).

340785480 is an abundant number, since it is smaller than the sum of its proper divisors (919963320).

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

340785480 is a wasteful number, since it uses less digits than its factorization.

340785480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 340785480 is about 18460.3759441676. The cubic root of 340785480 is about 698.4902700296.

The spelling of 340785480 in words is "three hundred forty million, seven hundred eighty-five thousand, four hundred eighty".