340648650 has 72 divisors (see below), whose sum is σ = 918375744. Its totient is φ = 90525600.

The previous prime is 340648639. The next prime is 340648661. The reversal of 340648650 is 56846043.

340648650 is a `hidden beast` number, since 3 + 4 + 0 + 648 + 6 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (340648639) and next prime (340648661).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 147807 + ... + 150093.

Almost surely, 2^340648650 is an apocalyptic number.

340648650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 340648650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459187872).

340648650 is an abundant number, since it is smaller than the sum of its proper divisors (577727094).

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

340648650 is a wasteful number, since it uses less digits than its factorization.

340648650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636 (or 2628 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 340648650 is about 18456.6695262173. The cubic root of 340648650 is about 698.3967730707.

The spelling of 340648650 in words is "three hundred forty million, six hundred forty-eight thousand, six hundred fifty".