955880640 has 504 divisors, whose sum is σ = 3910334064. Its totient is φ = 212889600.

The previous prime is 955880609. The next prime is 955880659. The reversal of 955880640 is 46088559.

955880640 is a `hidden beast` number, since 9 + 5 + 588 + 0 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4530135 + ... + 4530345.

Almost surely, 2^955880640 is an apocalyptic number.

955880640 is a gapful number since it is divisible by the number (90) 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 955880640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1955167032).

955880640 is an abundant number, since it is smaller than the sum of its proper divisors (2954453424).

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

955880640 is a wasteful number, since it uses less digits than its factorization.

955880640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 955880640 is about 30917.3194180867. The cubic root of 955880640 is about 985.0718045690.

It can be divided in two parts, 95 and 5880640, that added together give a triangular number (5880735 = T₃₄₂₉).

The spelling of 955880640 in words is "nine hundred fifty-five million, eight hundred eighty thousand, six hundred forty".