1001044407 has 16 divisors (see below), whose sum is σ = 1476576000. Its totient is φ = 598147200.

The previous prime is 1001044391. The next prime is 1001044411. The reversal of 1001044407 is 7044401001.

It is not a de Polignac number, because 1001044407 - 2⁴ = 1001044391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001044477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211282 + ... + 215967.

It is an arithmetic number, because the mean of its divisors is an integer number (92286000).

Almost surely, 2^1001044407 is an apocalyptic number.

1001044407 is a deficient number, since it is larger than the sum of its proper divisors (475531593).

1001044407 is a wasteful number, since it uses less digits than its factorization.

1001044407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427334.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 1001044407 is about 31639.2858168449. The cubic root of 1001044407 is about 1000.3480145385.

Adding to 1001044407 its reverse (7044401001), we get a palindrome (8045445408).

The spelling of 1001044407 in words is "one billion, one million, forty-four thousand, four hundred seven".