400073741451 has 24 divisors (see below), whose sum is σ = 595986181440. Its totient is φ = 258421435776.

The previous prime is 400073741447. The next prime is 400073741467. The reversal of 400073741451 is 154147370004.

It is not a de Polignac number, because 400073741451 - 2² = 400073741447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400073741411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2433850 + ... + 2593023.

It is an arithmetic number, because the mean of its divisors is an integer number (24832757560).

Almost surely, 2^400073741451 is an apocalyptic number.

400073741451 is a deficient number, since it is larger than the sum of its proper divisors (195912439989).

400073741451 is a wasteful number, since it uses less digits than its factorization.

400073741451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027155 (or 5027152 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 400073741451 in words is "four hundred billion, seventy-three million, seven hundred forty-one thousand, four hundred fifty-one".