1354021770040 has 64 divisors (see below), whose sum is σ = 3078397677600. Its totient is φ = 535948320768.

The previous prime is 1354021770037. The next prime is 1354021770103. The reversal of 1354021770040 is 400771204531.

It is a junction number, because it is equal to n+sod(n) for n = 1354021769978 and 1354021770005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32520756 + ... + 32562364.

Almost surely, 2^{1354021770040} is an apocalyptic number.

1354021770040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354021770040 is an abundant number, since it is smaller than the sum of its proper divisors (1724375907560).

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

1354021770040 is a wasteful number, since it uses less digits than its factorization.

1354021770040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50104 (or 50100 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 1354021770040 its reverse (400771204531), we get a palindrome (1754792974571).

The spelling of 1354021770040 in words is "one trillion, three hundred fifty-four billion, twenty-one million, seven hundred seventy thousand, forty".