2150500401 has 32 divisors (see below), whose sum is σ = 3673317120. Its totient is φ = 1217970432.

The previous prime is 2150500399. The next prime is 2150500403. The reversal of 2150500401 is 1040050512.

2150500401 is a `hidden beast` number, since 215 + 0 + 50 + 0 + 401 = 666.

It is an interprime number because it is at equal distance from previous prime (2150500399) and next prime (2150500403).

It is not a de Polignac number, because 2150500401 - 2¹ = 2150500399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2150500403) 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, 28990 + ... + 71703.

It is an arithmetic number, because the mean of its divisors is an integer number (114791160).

Almost surely, 2^2150500401 is an apocalyptic number.

2150500401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2150500401 is a deficient number, since it is larger than the sum of its proper divisors (1522816719).

2150500401 is a wasteful number, since it uses less digits than its factorization.

2150500401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100822 (or 100816 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2150500401 is about 46373.4881262991. The cubic root of 2150500401 is about 1290.7630045340.

Adding to 2150500401 its reverse (1040050512), we get a palindrome (3190550913).

The spelling of 2150500401 in words is "two billion, one hundred fifty million, five hundred thousand, four hundred one".