1408081782 has 32 divisors (see below), whose sum is σ = 2868527232. Its totient is φ = 460684224.

The previous prime is 1408081769. The next prime is 1408081837. The reversal of 1408081782 is 2871808041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1408081782.

It is a congruent number.

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, 107578 + ... + 119954.

It is an arithmetic number, because the mean of its divisors is an integer number (89641476).

Almost surely, 2^1408081782 is an apocalyptic number.

1408081782 is an abundant number, since it is smaller than the sum of its proper divisors (1460445450).

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

1408081782 is a wasteful number, since it uses less digits than its factorization.

1408081782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12732.

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 1408081782 is about 37524.4158115753. The cubic root of 1408081782 is about 1120.8374322568.

The spelling of 1408081782 in words is "one billion, four hundred eight million, eighty-one thousand, seven hundred eighty-two".