1354254212240 has 40 divisors (see below), whose sum is σ = 3149240509368. Its totient is φ = 541598551040.

The previous prime is 1354254212237. The next prime is 1354254212273. The reversal of 1354254212240 is 422124524531.

It can be written as a sum of positive squares in 4 ways, for example, as 127086546064 + 1227167666176 = 356492^2 + 1107776^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1354254212240.

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 7 ways as a sum of consecutive naturals, for example, 1187957 + ... + 2029716.

Almost surely, 2^{1354254212240} is an apocalyptic number.

1354254212240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354254212240 is an abundant number, since it is smaller than the sum of its proper divisors (1794986297128).

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

1354254212240 is a wasteful number, since it uses less digits than its factorization.

1354254212240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222947 (or 3222941 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1354254212240 its reverse (422124524531), we get a palindrome (1776378736771).

The spelling of 1354254212240 in words is "one trillion, three hundred fifty-four billion, two hundred fifty-four million, two hundred twelve thousand, two hundred forty".