1255036464 has 160 divisors (see below), whose sum is σ = 3967603200. Its totient is φ = 376669440.

The previous prime is 1255036463. The next prime is 1255036547. The reversal of 1255036464 is 4646305521.

1255036464 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 0 + 3 + 646 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1255036463) 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, 516757 + ... + 519179.

It is an arithmetic number, because the mean of its divisors is an integer number (24797520).

Almost surely, 2^1255036464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255036464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1983801600).

1255036464 is an abundant number, since it is smaller than the sum of its proper divisors (2712566736).

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

1255036464 is a wasteful number, since it uses less digits than its factorization.

1255036464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1255036464 is about 35426.4938146580. The cubic root of 1255036464 is about 1078.6621706342.

The spelling of 1255036464 in words is "one billion, two hundred fifty-five million, thirty-six thousand, four hundred sixty-four".