1478040340 has 24 divisors (see below), whose sum is σ = 3547297152. Its totient is φ = 506756640.

The previous prime is 1478040337. The next prime is 1478040359. The reversal of 1478040340 is 430408741.

1478040340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5278576 + ... + 5278855.

It is an arithmetic number, because the mean of its divisors is an integer number (147804048).

Almost surely, 2^1478040340 is an apocalyptic number.

1478040340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1478040340 is an abundant number, since it is smaller than the sum of its proper divisors (2069256812).

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

1478040340 is a wasteful number, since it uses less digits than its factorization.

1478040340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557447 (or 10557445 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1478040340 is about 38445.2902186991. The cubic root of 1478040340 is about 1139.1006398032.

The spelling of 1478040340 in words is "one billion, four hundred seventy-eight million, forty thousand, three hundred forty".