2405381451 has 16 divisors (see below), whose sum is σ = 3499562880. Its totient is φ = 1457462720.

The previous prime is 2405381441. The next prime is 2405381479. The reversal of 2405381451 is 1541835042.

It is a cyclic number.

It is not a de Polignac number, because 2405381451 - 2⁶ = 2405381387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2405381401) 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 15 ways as a sum of consecutive naturals, for example, 243415 + ... + 253103.

It is an arithmetic number, because the mean of its divisors is an integer number (218722680).

Almost surely, 2^2405381451 is an apocalyptic number.

2405381451 is a deficient number, since it is larger than the sum of its proper divisors (1094181429).

2405381451 is a wasteful number, since it uses less digits than its factorization.

2405381451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17226.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 2405381451 is about 49044.6883056667. The cubic root of 2405381451 is about 1339.8658533194.

The spelling of 2405381451 in words is "two billion, four hundred five million, three hundred eighty-one thousand, four hundred fifty-one".