1409043240 has 96 divisors (see below), whose sum is σ = 4995712800. Its totient is φ = 341585280.

The previous prime is 1409043179. The next prime is 1409043247. The reversal of 1409043240 is 423409041.

1409043240 is a `hidden beast` number, since 140 + 90 + 432 + 4 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1409043247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173950 + ... + 181869.

It is an arithmetic number, because the mean of its divisors is an integer number (52038675).

Almost surely, 2^1409043240 is an apocalyptic number.

1409043240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1409043240 is an abundant number, since it is smaller than the sum of its proper divisors (3586669560).

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

1409043240 is a wasteful number, since it uses less digits than its factorization.

1409043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355847 (or 355840 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1409043240 is about 37537.2247242654. The cubic root of 1409043240 is about 1121.0924820575.

The spelling of 1409043240 in words is "one billion, four hundred nine million, forty-three thousand, two hundred forty".