340500400 has 30 divisors (see below), whose sum is σ = 818053172. Its totient is φ = 136200000.

The previous prime is 340500337. The next prime is 340500401. The reversal of 340500400 is 4005043.

It is a super-3 number, since 3×340500400³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (340500401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 425226 + ... + 426025.

Almost surely, 2^340500400 is an apocalyptic number.

It is an amenable number.

340500400 is an abundant number, since it is smaller than the sum of its proper divisors (477552772).

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

340500400 is a wasteful number, since it uses less digits than its factorization.

340500400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851269 (or 851258 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 340500400 is about 18452.6529257990. The cubic root of 340500400 is about 698.2954444780.

Adding to 340500400 its reverse (4005043), we get a palindrome (344505443).

The spelling of 340500400 in words is "three hundred forty million, five hundred thousand, four hundred".