1054245623240 has 16 divisors (see below), whose sum is σ = 2372052652380. Its totient is φ = 421698249280.

The previous prime is 1054245623219. The next prime is 1054245623243. The reversal of 1054245623240 is 423265424501.

It can be written as a sum of positive squares in 2 ways, for example, as 1023872801956 + 30372821284 = 1011866^2 + 174278^2 .

It is a super-2 number, since 2×1054245623240² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054245623194 and 1054245623203.

It is not an unprimeable number, because it can be changed into a prime (1054245623243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13178070251 + ... + 13178070330.

Almost surely, 2^{1054245623240} is an apocalyptic number.

1054245623240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054245623240 is an abundant number, since it is smaller than the sum of its proper divisors (1317807029140).

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

1054245623240 is a wasteful number, since it uses less digits than its factorization.

1054245623240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26356140592 (or 26356140588 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 1054245623240 in words is "one trillion, fifty-four billion, two hundred forty-five million, six hundred twenty-three thousand, two hundred forty".