2855472040 has 64 divisors (see below), whose sum is σ = 6641024400. Its totient is φ = 1104150528.

The previous prime is 2855472023. The next prime is 2855472079. The reversal of 2855472040 is 402745582.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2023380324 + 832091716 = 44982^2 + 28846^2 .

It is a super-3 number, since 3×2855472040³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226216 + ... + 238504.

Almost surely, 2^2855472040 is an apocalyptic number.

2855472040 is a gapful number since it is divisible by the number (20) 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 2855472040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3320512200).

2855472040 is an abundant number, since it is smaller than the sum of its proper divisors (3785552360).

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

2855472040 is a wasteful number, since it uses less digits than its factorization.

2855472040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12494 (or 12490 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 2855472040 is about 53436.6170336409. The cubic root of 2855472040 is about 1418.7067574910.

The spelling of 2855472040 in words is "two billion, eight hundred fifty-five million, four hundred seventy-two thousand, forty".