1354404042420 has 192 divisors, whose sum is σ = 4575741601536. Its totient is φ = 294891909120.

The previous prime is 1354404042389. The next prime is 1354404042451. The reversal of 1354404042420 is 242404044531.

It is an interprime number because it is at equal distance from previous prime (1354404042389) and next prime (1354404042451).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1815729 + ... + 2450648.

It is an arithmetic number, because the mean of its divisors is an integer number (23831987508).

Almost surely, 2^{1354404042420} is an apocalyptic number.

1354404042420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354404042420 is an abundant number, since it is smaller than the sum of its proper divisors (3221337559116).

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

1354404042420 is a wasteful number, since it uses less digits than its factorization.

1354404042420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266450 (or 4266448 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 1354404042420 its reverse (242404044531), we get a palindrome (1596808086951).

The spelling of 1354404042420 in words is "one trillion, three hundred fifty-four billion, four hundred four million, forty-two thousand, four hundred twenty".