1260429408 has 72 divisors (see below), whose sum is σ = 4096402128. Its totient is φ = 360122112.

The previous prime is 1260429367. The next prime is 1260429413. The reversal of 1260429408 is 8049240621.

1260429408 is a `hidden beast` number, since 1 + 2 + 604 + 2 + 9 + 40 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310591 + ... + 314622.

It is an arithmetic number, because the mean of its divisors is an integer number (56894474).

Almost surely, 2^1260429408 is an apocalyptic number.

1260429408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1260429408 is an abundant number, since it is smaller than the sum of its proper divisors (2835972720).

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

1260429408 is a wasteful number, since it uses less digits than its factorization.

1260429408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625236 (or 625225 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1260429408 is about 35502.5267833150. The cubic root of 1260429408 is about 1080.2049816686.

The spelling of 1260429408 in words is "one billion, two hundred sixty million, four hundred twenty-nine thousand, four hundred eight".