440541420500454 has 64 divisors (see below), whose sum is σ = 1084414210682880. Its totient is φ = 116186259669120.

The previous prime is 440541420500417. The next prime is 440541420500513. The reversal of 440541420500454 is 454005024145044.

It is a happy number.

It is a super-2 number, since 2×440541420500454² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138923952 + ... + 142059660.

It is an arithmetic number, because the mean of its divisors is an integer number (16943972041920).

Almost surely, 2^{440541420500454} is an apocalyptic number.

440541420500454 is an abundant number, since it is smaller than the sum of its proper divisors (643872790182426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440541420500454 is a wasteful number, since it uses less digits than its factorization.

440541420500454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393045.

The product of its (nonzero) digits is 1024000, while the sum is 42.

Adding to 440541420500454 its reverse (454005024145044), we get a palindrome (894546444645498).

The spelling of 440541420500454 in words is "four hundred forty trillion, five hundred forty-one billion, four hundred twenty million, five hundred thousand, four hundred fifty-four".