1408742049 has 32 divisors (see below), whose sum is σ = 2258049024. Its totient is φ = 769769280.

The previous prime is 1408742011. The next prime is 1408742059. The reversal of 1408742049 is 9402478041.

It is not a de Polignac number, because 1408742049 - 2⁸ = 1408741793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1408741998 and 1408742016.

It is not an unprimeable number, because it can be changed into a prime (1408742059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19737 + ... + 56630.

It is an arithmetic number, because the mean of its divisors is an integer number (70564032).

Almost surely, 2^1408742049 is an apocalyptic number.

It is an amenable number.

1408742049 is a deficient number, since it is larger than the sum of its proper divisors (849306975).

1408742049 is a wasteful number, since it uses less digits than its factorization.

1408742049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76437.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1408742049 is about 37533.2126122985. The cubic root of 1408742049 is about 1121.0125964022.

The spelling of 1408742049 in words is "one billion, four hundred eight million, seven hundred forty-two thousand, forty-nine".