1001669442 has 16 divisors (see below), whose sum is σ = 2052201312. Its totient is φ = 325746080.

The previous prime is 1001669399. The next prime is 1001669467. The reversal of 1001669442 is 2449661001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035668 + ... + 2036159.

It is an arithmetic number, because the mean of its divisors is an integer number (128262582).

Almost surely, 2^1001669442 is an apocalyptic number.

1001669442 is an abundant number, since it is smaller than the sum of its proper divisors (1050531870).

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

1001669442 is a wasteful number, since it uses less digits than its factorization.

1001669442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071873.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1001669442 is about 31649.1617898484. The cubic root of 1001669442 is about 1000.5561712828.

The spelling of 1001669442 in words is "one billion, one million, six hundred sixty-nine thousand, four hundred forty-two".