2001038494 has 64 divisors (see below), whose sum is σ = 3744921600. Its totient is φ = 780853248.

The previous prime is 2001038491. The next prime is 2001038503. The reversal of 2001038494 is 4948301002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001038491) 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, 7786014 + ... + 7786270.

It is an arithmetic number, because the mean of its divisors is an integer number (58514400).

Almost surely, 2^2001038494 is an apocalyptic number.

2001038494 is a deficient number, since it is larger than the sum of its proper divisors (1743883106).

2001038494 is a wasteful number, since it uses less digits than its factorization.

2001038494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2001038494 is about 44732.9687590708. The cubic root of 2001038494 is about 1260.1390822368.

Adding to 2001038494 its reverse (4948301002), we get a palindrome (6949339496).

The spelling of 2001038494 in words is "two billion, one million, thirty-eight thousand, four hundred ninety-four".