1409005642 has 8 divisors (see below), whose sum is σ = 2305645632. Its totient is φ = 640457100.

The previous prime is 1409005603. The next prime is 1409005673. The reversal of 1409005642 is 2465009041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32022834 + ... + 32022877.

It is an arithmetic number, because the mean of its divisors is an integer number (288205704).

Almost surely, 2^1409005642 is an apocalyptic number.

1409005642 is a deficient number, since it is larger than the sum of its proper divisors (896639990).

1409005642 is a wasteful number, since it uses less digits than its factorization.

1409005642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64045724.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1409005642 is about 37536.7239113911. The cubic root of 1409005642 is about 1121.0825104662.

The spelling of 1409005642 in words is "one billion, four hundred nine million, five thousand, six hundred forty-two".