1043340420 has 48 divisors (see below), whose sum is σ = 2923256448. Its totient is φ = 278042880.

The previous prime is 1043340409. The next prime is 1043340491. The reversal of 1043340420 is 240433401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105112 + ... + 114608.

It is an arithmetic number, because the mean of its divisors is an integer number (60901176).

Almost surely, 2^1043340420 is an apocalyptic number.

1043340420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043340420 is an abundant number, since it is smaller than the sum of its proper divisors (1879916028).

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

1043340420 is a wasteful number, since it uses less digits than its factorization.

1043340420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11340 (or 11338 counting only the distinct ones).

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

The square root of 1043340420 is about 32300.7804859263. The cubic root of 1043340420 is about 1014.2429810356.

Adding to 1043340420 its reverse (240433401), we get a palindrome (1283773821).

The spelling of 1043340420 in words is "one billion, forty-three million, three hundred forty thousand, four hundred twenty".