1554031422340 has 48 divisors (see below), whose sum is σ = 3409629334272. Its totient is φ = 593839765376.

The previous prime is 1554031422277. The next prime is 1554031422389. The reversal of 1554031422340 is 432241304551.

It is a junction number, because it is equal to n+sod(n) for n = 1554031422296 and 1554031422305.

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 15 ways as a sum of consecutive naturals, for example, 1752784 + ... + 2486023.

It is an arithmetic number, because the mean of its divisors is an integer number (71033944464).

Almost surely, 2^{1554031422340} is an apocalyptic number.

1554031422340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1554031422340 is an abundant number, since it is smaller than the sum of its proper divisors (1855597911932).

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

1554031422340 is a wasteful number, since it uses less digits than its factorization.

1554031422340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239636 (or 4239634 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1554031422340 its reverse (432241304551), we get a palindrome (1986272726891).

The spelling of 1554031422340 in words is "one trillion, five hundred fifty-four billion, thirty-one million, four hundred twenty-two thousand, three hundred forty".