1254300535540 has 288 divisors, whose sum is σ = 3042180288000. Its totient is φ = 432975269376.

The previous prime is 1254300535519. The next prime is 1254300535547. The reversal of 1254300535540 is 455350034521.

It is a self number, because there is not a number n which added to its sum of digits gives 1254300535540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254300535547) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2026333351 + ... + 2026333969.

It is an arithmetic number, because the mean of its divisors is an integer number (10563126000).

Almost surely, 2^{1254300535540} is an apocalyptic number.

1254300535540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1254300535540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521090144000).

1254300535540 is an abundant number, since it is smaller than the sum of its proper divisors (1787879752460).

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

1254300535540 is a wasteful number, since it uses less digits than its factorization.

1254300535540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 1254300535540 in words is "one trillion, two hundred fifty-four billion, three hundred million, five hundred thirty-five thousand, five hundred forty".