340777448 has 32 divisors (see below), whose sum is σ = 711884160. Its totient is φ = 151601280.

The previous prime is 340777447. The next prime is 340777517. The reversal of 340777448 is 844777043.

It is a super-2 number, since 2×340777448² = 232258538130785408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 340777399 and 340777408.

It is not an unprimeable number, because it can be changed into a prime (340777447) 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, 37061 + ... + 45332.

It is an arithmetic number, because the mean of its divisors is an integer number (22246380).

Almost surely, 2^340777448 is an apocalyptic number.

It is an amenable number.

340777448 is an abundant number, since it is smaller than the sum of its proper divisors (371106712).

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

340777448 is a wasteful number, since it uses less digits than its factorization.

340777448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82457 (or 82453 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 44.

The square root of 340777448 is about 18460.1583958535. The cubic root of 340777448 is about 698.4847823956.

The spelling of 340777448 in words is "three hundred forty million, seven hundred seventy-seven thousand, four hundred forty-eight".