2040403550 has 24 divisors (see below), whose sum is σ = 3796575456. Its totient is φ = 815855040.

The previous prime is 2040403543. The next prime is 2040403571. The reversal of 2040403550 is 553040402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165707 + ... + 177593.

It is an arithmetic number, because the mean of its divisors is an integer number (158190644).

Almost surely, 2^2040403550 is an apocalyptic number.

2040403550 is a deficient number, since it is larger than the sum of its proper divisors (1756171906).

2040403550 is a wasteful number, since it uses less digits than its factorization.

2040403550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15332 (or 15327 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2040403550 is about 45170.8263152225. The cubic root of 2040403550 is about 1268.3487643863.

Adding to 2040403550 its reverse (553040402), we get a palindrome (2593443952).

The spelling of 2040403550 in words is "two billion, forty million, four hundred three thousand, five hundred fifty".