1255883376 has 160 divisors (see below), whose sum is σ = 3632910336. Its totient is φ = 370656000.

The previous prime is 1255883357. The next prime is 1255883383. The reversal of 1255883376 is 6733885521.

It is a super-2 number, since 2×1255883376² = 3154486108226314752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4634121 + ... + 4634391.

Almost surely, 2^1255883376 is an apocalyptic number.

1255883376 is a gapful number since it is divisible by the number (16) 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 1255883376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1816455168).

1255883376 is an abundant number, since it is smaller than the sum of its proper divisors (2377026960).

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

1255883376 is a wasteful number, since it uses less digits than its factorization.

1255883376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 485 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 1255883376 is about 35438.4448868739. Note that the first 3 decimals coincide. The cubic root of 1255883376 is about 1078.9047469929.

The spelling of 1255883376 in words is "one billion, two hundred fifty-five million, eight hundred eighty-three thousand, three hundred seventy-six".