2855430740 has 96 divisors (see below), whose sum is σ = 6241850496. Its totient is φ = 1096727040.

The previous prime is 2855430727. The next prime is 2855430761. The reversal of 2855430740 is 470345582.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2855430694 and 2855430703.

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, 16505294 + ... + 16505466.

It is an arithmetic number, because the mean of its divisors is an integer number (65019276).

Almost surely, 2^2855430740 is an apocalyptic number.

2855430740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2855430740 is an abundant number, since it is smaller than the sum of its proper divisors (3386419756).

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

2855430740 is a wasteful number, since it uses less digits than its factorization.

2855430740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 2855430740 is about 53436.2305931098. The cubic root of 2855430740 is about 1418.6999176561.

The spelling of 2855430740 in words is "two billion, eight hundred fifty-five million, four hundred thirty thousand, seven hundred forty".