403012340 has 24 divisors (see below), whose sum is σ = 866009760. Its totient is φ = 157455648.

The previous prime is 403012327. The next prime is 403012343. The reversal of 403012340 is 43210304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403012343) 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, 233450 + ... + 235169.

It is an arithmetic number, because the mean of its divisors is an integer number (36083740).

Almost surely, 2^403012340 is an apocalyptic number.

It is an amenable number.

403012340 is an abundant number, since it is smaller than the sum of its proper divisors (462997420).

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

403012340 is a wasteful number, since it uses less digits than its factorization.

403012340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468671 (or 468669 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 403012340 is about 20075.1672471240. The cubic root of 403012340 is about 738.6512686292.

Adding to 403012340 its reverse (43210304), we get a palindrome (446222644).

The spelling of 403012340 in words is "four hundred three million, twelve thousand, three hundred forty".