401054033142440 has 16 divisors (see below), whose sum is σ = 902371574570580. Its totient is φ = 160421613256960.

The previous prime is 401054033142421. The next prime is 401054033142473. The reversal of 401054033142440 is 44241330450104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 399971280515524 + 1082752626916 = 19999282^2 + 1040554^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 401054033142440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5013175414241 + ... + 5013175414320.

Almost surely, 2^{401054033142440} is an apocalyptic number.

401054033142440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401054033142440 is an abundant number, since it is smaller than the sum of its proper divisors (501317541428140).

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

401054033142440 is a wasteful number, since it uses less digits than its factorization.

401054033142440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10026350828572 (or 10026350828568 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 401054033142440 its reverse (44241330450104), we get a palindrome (445295363592544).

The spelling of 401054033142440 in words is "four hundred one trillion, fifty-four billion, thirty-three million, one hundred forty-two thousand, four hundred forty".