1254533460540 has 24 divisors (see below), whose sum is σ = 3512693689680. Its totient is φ = 334542256128.

The previous prime is 1254533460497. The next prime is 1254533460553. The reversal of 1254533460540 is 450643354521.

It is a super-2 number, since 2×1254533460540² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1254533460492 and 1254533460501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10454445445 + ... + 10454445564.

It is an arithmetic number, because the mean of its divisors is an integer number (146362237070).

Almost surely, 2^{1254533460540} is an apocalyptic number.

1254533460540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254533460540 is an abundant number, since it is smaller than the sum of its proper divisors (2258160229140).

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

1254533460540 is a wasteful number, since it uses less digits than its factorization.

1254533460540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20908891021 (or 20908891019 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 1254533460540 in words is "one trillion, two hundred fifty-four billion, five hundred thirty-three million, four hundred sixty thousand, five hundred forty".