4040551251 has 12 divisors (see below), whose sum is σ = 6366929400. Its totient is φ = 2448818880.

The previous prime is 4040551231. The next prime is 4040551261. The reversal of 4040551251 is 1521550404.

4040551251 is a `hidden beast` number, since 4 + 0 + 405 + 5 + 1 + 251 = 666.

It is not a de Polignac number, because 4040551251 - 2⁶ = 4040551187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4040551231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20406726 + ... + 20406923.

It is an arithmetic number, because the mean of its divisors is an integer number (530577450).

Almost surely, 2^4040551251 is an apocalyptic number.

4040551251 is a deficient number, since it is larger than the sum of its proper divisors (2326378149).

4040551251 is a wasteful number, since it uses less digits than its factorization.

4040551251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40813666 (or 40813663 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 4040551251 is about 63565.3305741424. The cubic root of 4040551251 is about 1592.7472843045.

The spelling of 4040551251 in words is "four billion, forty million, five hundred fifty-one thousand, two hundred fifty-one".