400045132255 has 8 divisors (see below), whose sum is σ = 480119507424. Its totient is φ = 319992540000.

The previous prime is 400045132243. The next prime is 400045132271. The reversal of 400045132255 is 552231540004.

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

It is not a de Polignac number, because 400045132255 - 2²¹ = 400043035103 is a prime.

It is a super-2 number, since 2×400045132255² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 5405296 + ... + 5478805.

It is an arithmetic number, because the mean of its divisors is an integer number (60014938428).

Almost surely, 2^400045132255 is an apocalyptic number.

400045132255 is a deficient number, since it is larger than the sum of its proper divisors (80074375169).

400045132255 is a wasteful number, since it uses less digits than its factorization.

400045132255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891457.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 400045132255 its reverse (552231540004), we get a palindrome (952276672259).

The spelling of 400045132255 in words is "four hundred billion, forty-five million, one hundred thirty-two thousand, two hundred fifty-five".