340430412 has 24 divisors (see below), whose sum is σ = 907814656. Its totient is φ = 97265808.

The previous prime is 340430407. The next prime is 340430443. The reversal of 340430412 is 214034043.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2026288 + ... + 2026455.

Almost surely, 2^340430412 is an apocalyptic number.

It is an amenable number.

340430412 is an abundant number, since it is smaller than the sum of its proper divisors (567384244).

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

340430412 is a wasteful number, since it uses less digits than its factorization.

340430412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052757 (or 4052755 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 340430412 is about 18450.7564072588. The cubic root of 340430412 is about 698.2475975930.

Adding to 340430412 its reverse (214034043), we get a palindrome (554464455).

The spelling of 340430412 in words is "three hundred forty million, four hundred thirty thousand, four hundred twelve".