1994407266 has 16 divisors (see below), whose sum is σ = 4000248000. Its totient is φ = 662896848.

The previous prime is 1994407213. The next prime is 1994407271. The reversal of 1994407266 is 6627044991.

It is a happy number.

1994407266 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 474126 + ... + 478313.

It is an arithmetic number, because the mean of its divisors is an integer number (250015500).

Almost surely, 2^1994407266 is an apocalyptic number.

1994407266 is an abundant number, since it is smaller than the sum of its proper divisors (2005840734).

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

1994407266 is a wasteful number, since it uses less digits than its factorization.

1994407266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952793.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 1994407266 is about 44658.7871084740. The cubic root of 1994407266 is about 1258.7455529572.

The spelling of 1994407266 in words is "one billion, nine hundred ninety-four million, four hundred seven thousand, two hundred sixty-six".