1254885534490 has 64 divisors (see below), whose sum is σ = 2694231258624. Its totient is φ = 411461538048.

The previous prime is 1254885534457. The next prime is 1254885534491. The reversal of 1254885534490 is 944355884521.

It is not an unprimeable number, because it can be changed into a prime (1254885534491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8681892 + ... + 8825248.

It is an arithmetic number, because the mean of its divisors is an integer number (42097363416).

Almost surely, 2^{1254885534490} is an apocalyptic number.

1254885534490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1254885534490 is an abundant number, since it is smaller than the sum of its proper divisors (1439345724134).

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

1254885534490 is a wasteful number, since it uses less digits than its factorization.

1254885534490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148831.

The product of its (nonzero) digits is 27648000, while the sum is 58.

The spelling of 1254885534490 in words is "one trillion, two hundred fifty-four billion, eight hundred eighty-five million, five hundred thirty-four thousand, four hundred ninety".