1255649883460 has 48 divisors (see below), whose sum is σ = 3015898058880. Its totient is φ = 430174483200.

The previous prime is 1255649883443. The next prime is 1255649883463. The reversal of 1255649883460 is 643889465521.

It is a super-2 number, since 2×1255649883460² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255649883463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3298566 + ... + 3659485.

It is an arithmetic number, because the mean of its divisors is an integer number (62831209560).

Almost surely, 2^{1255649883460} is an apocalyptic number.

1255649883460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255649883460 is an abundant number, since it is smaller than the sum of its proper divisors (1760248175420).

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

1255649883460 is a wasteful number, since it uses less digits than its factorization.

1255649883460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959356 (or 6959354 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 1255649883460 in words is "one trillion, two hundred fifty-five billion, six hundred forty-nine million, eight hundred eighty-three thousand, four hundred sixty".