2046223640 has 32 divisors (see below), whose sum is σ = 4649596560. Its totient is φ = 810384000.

The previous prime is 2046223583. The next prime is 2046223661. The reversal of 2046223640 is 463226402.

It is a congruent number.

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, 249206 + ... + 257285.

Almost surely, 2^2046223640 is an apocalyptic number.

2046223640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2046223640 is an abundant number, since it is smaller than the sum of its proper divisors (2603372920).

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

2046223640 is a wasteful number, since it uses less digits than its factorization.

2046223640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506603 (or 506599 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 2046223640 is about 45235.2035476795. The cubic root of 2046223640 is about 1269.5535744667.

The spelling of 2046223640 in words is "two billion, forty-six million, two hundred twenty-three thousand, six hundred forty".