400552304545 has 8 divisors (see below), whose sum is σ = 481777994880. Its totient is φ = 319698357360.

The previous prime is 400552304531. The next prime is 400552304561. The reversal of 400552304545 is 545403255004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400552304545 - 2¹⁹ = 400551780257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92933415 + ... + 92937724.

It is an arithmetic number, because the mean of its divisors is an integer number (60222249360).

Almost surely, 2^400552304545 is an apocalyptic number.

It is an amenable number.

400552304545 is a deficient number, since it is larger than the sum of its proper divisors (81225690335).

400552304545 is a wasteful number, since it uses less digits than its factorization.

400552304545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185871575.

The product of its (nonzero) digits is 240000, while the sum is 37.

Adding to 400552304545 its reverse (545403255004), we get a palindrome (945955559549).

The spelling of 400552304545 in words is "four hundred billion, five hundred fifty-two million, three hundred four thousand, five hundred forty-five".