2150400550 has 48 divisors (see below), whose sum is σ = 4260664800. Its totient is φ = 804661760.

The previous prime is 2150400517. The next prime is 2150400587. The reversal of 2150400550 is 550040512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134376 + ... + 149524.

It is an arithmetic number, because the mean of its divisors is an integer number (88763850).

Almost surely, 2^2150400550 is an apocalyptic number.

2150400550 is a deficient number, since it is larger than the sum of its proper divisors (2110264250).

2150400550 is a wasteful number, since it uses less digits than its factorization.

2150400550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15345 (or 15340 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2150400550 is about 46372.4115180567. The cubic root of 2150400550 is about 1290.7430268625.

The spelling of 2150400550 in words is "two billion, one hundred fifty million, four hundred thousand, five hundred fifty".